After a Critical
Incident: TRiM & Support
What TRiM is and what it is not, what the evidence says about debriefing, what the national post-incident procedure says about your welfare after a shooting or a death following police contact, and how to get help if a reaction arrives weeks or months later.
Independent information, not advice · Sources checked 30 September 2026 · England and Wales unless stated
TRiM (Trauma Risk Management) is a voluntary, peer-led risk assessment many UK forces offer after potentially traumatic incidents. In the force policy we read it starts around 72 hours after the event, with a follow-up at about 28 days. It is not counselling, treatment or a diagnosis: its job is to spot who may need more help and refer them early. Force policies differ, so ask for yours.
Distress after a bad job is common and, for most people, it eases with time and support. Help works, and there are confidential routes to it, including ones that do not go through your force. If you are reading this because of something you saw or did at work, you do not have to wait for anyone to offer you a referral: your GP, NHS talking therapies and the services above are open to you now.
What TRiM is and where it came from
TRiM stands for Trauma Risk Management. A 2015 review in Occupational Medicine describes it as a peer support system developed within the British Armed Forces, which aims to make sure trauma-exposed personnel are properly supported and encouraged to seek timely help if they develop mental health problems that do not resolve on their own. King's College London's Research Excellence Framework case study says KCL researchers developed it with the Royal Marines and Royal Navy, and that it was adopted across the UK Armed Forces from 2008. The same case study names Kent Police and Essex Police among early police users.
In a police force, TRiM usually works like this. Trained colleagues, called TRiM practitioners, and TRiM managers run a structured conversation with people who were involved in a potentially traumatic incident. They use a short risk assessment to judge whether anyone is at higher risk of developing a trauma-related mental health problem, and they signpost or refer people who need more. In the West Midlands Police policy we read, practitioners and managers do the role voluntarily, in addition to their day jobs, and the process itself is voluntary for the people being supported.
The same policy lists the kinds of incident that should be strongly considered for TRiM, including serious multiple casualties or deaths, the serious injury or death of an officer on duty, serious abuse, injury or death of a child, a death or serious injury resulting from police operations such as a police shooting or a collision involving a police vehicle, and life-threatening incidents involving you or a close colleague. It also says TRiM can be used for near misses, for a build-up of smaller incidents, and for prolonged exposure to a highly challenging role. It can be triggered by a manager, a colleague or by you.
We found no regulation that requires a force to use TRiM. Oscar Kilo, the National Police Wellbeing Service, says its new HEART guidance (Holistic approach, Education, Assessment, Response strategies, Trauma informed) will replace the former STRICT guidance as a national model for managing trauma exposure, including post-incident and occupational health provision. When we checked, Oscar Kilo said the full HEART document was still in development. Your force may use TRiM, another peer model, or its own occupational health process.
What a TRiM assessment is, and what it is not
In the policy we read, a TRiM assessment can be one to one or with a group of people who had the same exposure. You talk about what happened and how you are feeling now; the practitioner takes notes and uses them to assess how you have been affected and to guide you to support. The policy says TRiM is not an immediate welfare response and cannot provide medical or clinical support, and that anyone showing overt mental health concerns or signs of severe stress should be directed to their GP or other health services.
| TRiM is | TRiM is not |
|---|---|
| A structured risk assessment by trained peers | A diagnosis. A TRiM score is not a finding that you have, or do not have, PTSD |
| A way of spotting who may need more help, and when | Treatment, therapy or counselling |
| A route to occupational health, often fast-tracked | A fitness-for-duty decision. That is for occupational health and your force |
| Voluntary, in the force policy we read | Part of any investigation into the incident |
| Usually repeated at around a month to see how you are doing | A one-off conversation that closes the matter |
The West Midlands policy says details you disclose will not be discussed or disclosed, except where the TRiM team member identifies or is told that you may harm yourself or others, that you are or have been involved in criminal activity or a disciplinary matter, or that there may be a risk if you continue to be exposed to similar trauma in your role. In those cases the concern is raised with your line manager. The force also keeps records of the incident, briefing dates, who attended and who did not, and assessment scores, stored with restricted access.
If the incident may be investigated, ask your Federation or staff association representative before a TRiM or welfare session how to avoid discussing the disputed facts. We could not confirm from any national source whether TRiM notes can be requested in a later investigation.
What the evidence says about TRiM and debriefing
This matters because "debrief" means different things. An operational debrief is about lessons for tactics, command and equipment. A psychological debrief, in the sense researchers use, is an early session that goes back over the event and people's reactions to it in order to prevent PTSD. The evidence on that second kind is not encouraging.
- NICE guidance. NICE guideline NG116, recommendation 1.6.5, says: do not offer psychologically-focused debriefing for the prevention or treatment of PTSD. NICE's rationale is that evidence on debriefing, individually or in groups, showed no benefit for children or adults and some suggestion of worse outcomes than no treatment.
- A 2023 meta-analysis of psychological debriefing after work-related trauma did not find consistent evidence that it prevents or reduces PTSD symptoms.
- A 2023 systematic review of post-incident workplace interventions, covering 80 studies and 11 guidelines, found no evidence of harm from TRiM, critical incident stress debriefing and management, psychological first aid, EMDR, group counselling or CBT when delivered in a workplace, but did not conclusively show benefit either. Generic debriefing was associated with some negative outcomes, and most research and guidance was of poor quality.
- TRiM itself. The one randomised trial, on 12 Royal Navy ships, found no significant change in psychological health or stigma after 12 to 18 months (the ships met few critical incidents), with modestly better organisational functioning. A 2017 study of combat-exposed personnel found TRiM recipients were more likely to seek help from mental health services, but also reported more persistent mental health symptoms and alcohol misuse over follow-up. In policing, a study after the June 2010 Cumbria shootings found engagement with TRiM was associated with lower sickness absence, especially in junior ranks. These are small numbers of studies, several led by TRiM's developers, and most police evidence is observational.
The fair summary is that TRiM appears safe, is valued by many who receive it, and may help people reach treatment sooner, but it has not been shown to prevent PTSD. It should not be a group session in which everyone is asked to relive the incident. The West Midlands policy describes a trauma incident briefing that includes an "emotional debrief" and says TRiM complies with NICE NG116; we could not see how the session is run, so we cannot judge that claim. You can ask what a session will involve, and you can decline any part of it.
Stage by stage: what should happen, and what you can ask for
There is no national timetable for post-incident welfare that applies to every incident. The table uses the College of Policing guidance where it applies (deaths or serious injuries following police contact, and police firearms discharges) and one published force TRiM policy for the rest. Treat the timings as a guide to what to ask about, not a promise.
| Stage after the incident | What should happen | What you can ask for |
|---|---|---|
| At the scene and before going off duty | First aid and medical help. In the WMP policy, a manager debrief and welfare check with a support leaflet. After a death or serious injury: defusing (short, informal, no discussion of the incident facts) before you finish duty, and a trusted colleague not involved to stay with anyone badly affected. | A medical check. Someone uninvolved to stay with you and, where appropriate, take you home. A call to your family. Contact with your Federation or staff association rep. |
| First 24 to 72 hours | In the WMP policy, TRiM activation is assessed and a planning meeting held. After a death or serious injury, everyone involved should be able to get support from occupational health or a professional health adviser within 72 hours if possible. | Whether TRiM has been activated and who your contact is. Direct access to occupational health, and the force employee assistance line. |
| From about 72 hours | In the WMP policy, TRiM assessments, one to one or in groups, with referral to occupational health for anyone at risk. Managers watch for delayed reactions. | What the session involves, what is recorded and who sees it. A one-to-one session instead of a group. To decline. |
| First month | NICE: active monitoring for people with milder symptoms, with follow-up within a month. Trauma-focused CBT for anyone with acute stress disorder or clinically important PTSD symptoms. | A GP appointment. Self-referral to NHS talking therapies. Adjusted hours or duties on occupational health advice. |
| Around 28 days, and three months | In the WMP policy, TRiM follow-up at about 28 days, and again at three months if needed, with fast-track referral to occupational health at any point. | A follow-up even if you missed the first session. Referral for assessment if symptoms are not easing. |
| Months or years later | NHS: PTSD can start many months or years after an event. NICE: offer trauma-focused CBT or EMDR (non-combat trauma) for people presenting more than three months after. | Assessment through your GP or occupational health. A record that the condition may relate to duty, in case you later need it for an injury award. |
WMP means the West Midlands Police TRiM policy, version 2.1 (26 February 2026), used here as a published example. Other forces set their own timings.
After a police shooting or a death or serious injury following police contact
Two College of Policing APP modules cover this: armed policing post-deployment (for deaths or serious injuries resulting from the discharge of a firearm or less lethal weapon) and post-incident procedures following death or serious injury (for other police contact). Both say they must be read with the IOPC's statutory guidance on achieving best evidence in these matters. The investigating body may be the IOPC or, where appropriate, the force's professional standards department.
Both APP modules say welfare needs should be addressed throughout the post-incident procedure, including:
- first aid and other medical assistance
- access to legal, Federation, staff association or union advice
- refreshments, toilet access, and a shower and change of clothes (with regard to forensic needs)
- phone calls to immediate family or partners about your wellbeing and how long you may be kept on duty
- updates on developments and on how long you may be asked to remain on duty
- Separation does not remove support. The IOPC guidance says separating officers should not prevent their welfare needs being considered, or stop them having a colleague not involved in the incident, legal or medical advice.
- No conferring, but welfare is not conferring. Key police witnesses should not confer before giving accounts. Defusing is designed to be welfare-only, and the APP says matters directly relevant to the incident should not be discussed so accounts are not contaminated.
- A medical check is not a fitness test for your account. The armed policing APP says medical examinations after a discharge are not intended to assess psychological effect or fitness to give an account, although a doctor's concern should be given appropriate regard.
- You will not be made to give an account while unfit. The IOPC guidance says a witness certified medically unfit by an appropriate health professional will not be required to give an account until fit. Detailed accounts are usually taken after at least 48 hours, earlier for those not adversely affected.
- Investigators do not sit in on care. The APP says investigators' access to the post-incident suite does not extend to medical examinations or private consultations with legal or staff association representatives.
What the guidance says about the days and weeks after:
- All those involved, whether key police witnesses or not, should be able to get support from occupational health or a professional health adviser, within 72 hours if possible. The APP names control room staff and those making critical decisions among the people who may be affected.
- Officers who have discharged their firearm must complete a mandatory occupational health post-incident support programme provided by their force.
- Special or administrative leave may be granted, after consulting you and your staff association. Suspension should not be routine, and anyone suspended should still receive medical and welfare support.
- Authorisation to carry a firearm, or to perform a role, should not automatically be removed because of involvement in an incident. A chief officer makes a documented, evidence-based decision on return, consulting the investigating body, professional standards and the occupational health provider, and reviews any restriction regularly.
- For non-firearms DSI incidents, officers and their representatives should get the investigation's terms of reference within 48 hours and updates every 28 days or when something significant changes.
In the West Midlands TRiM policy, the post-incident procedure takes precedence: a welfare-focused manager debrief is nominated by the post-incident manager, and TRiM formally begins once the procedure's fourth stage (detailed accounts) has concluded. Legal advice after a police shooting usually comes through Federation, staff association or union membership; the APP says there is no obligation to provide it to non-members. If you are no longer treated as a witness because you are suspected of an offence or a conduct matter, the APP says you should be removed from the procedure and supported long term by your supervisors or line manager. See IOPC investigations explained.
PTSD and delayed reactions: what to watch for and when to get help
Most people have some reaction to a traumatic event, and NICE's committee notes that some people do not develop PTSD symptoms even with little or no intervention, while others develop long-lasting symptoms if help is not given early. That is why the first month is about watching, not labelling.
What NICE recommends for adults (NG116):
- Within a month, milder symptoms: consider active monitoring (watchful waiting), with follow-up within a month (1.6.4).
- Within a month, acute stress disorder or clinically important symptoms: offer individual trauma-focused CBT, such as cognitive processing therapy, cognitive therapy for PTSD, narrative exposure or prolonged exposure therapy (1.6.15).
- After a month: offer individual trauma-focused CBT, typically 8 to 12 sessions, more if clinically indicated, for example after multiple traumas (1.6.16 and 1.6.17).
- EMDR: consider it for non-combat trauma presenting between one and three months after, if you prefer it; offer it for non-combat trauma presenting more than three months after (1.6.18 and 1.6.19).
- Medication: do not offer drugs, including benzodiazepines, to prevent PTSD; consider venlafaxine or an SSRI such as sertraline for adults with PTSD who prefer drug treatment, reviewed regularly (1.6.24 and 1.6.25).
- Proceedings: do not delay or withhold treatment solely because of court proceedings or compensation claims; discuss the timing with you (1.3.2).
The NHS says adults can refer themselves to NHS talking therapies without going through a GP. Police Care UK, listed in the support box, offers psychological support for serving and former officers, staff and volunteers harmed through policing. For a wider list, see the police mental health support services directory, and our older guide to stress and PTSD in policing.
How it connects to occupational health, sickness, duties and injury on duty
Post-incident support often turns into a longer process. These are the formal routes it can lead into, each with its own rules and its own guide.
- Occupational health. TRiM and the post-incident procedure both lead to occupational health, which advises your force on fitness and adjustments. What it shares with managers, and what it does not, is explained in telling occupational health about your mental health and the occupational health process.
- Sick leave and pay. Under Police Regulations 2003 regulation 28 and the Annex K determination, officers on sick leave get full pay for 6 months and then half pay for 6 months, counted back over the previous 12 months, with chief officer discretion to extend. Annex K makes no separate rule for mental health absence. See long-term sickness and the sick pay calculator.
- Recuperative or adjusted duties. The Home Office Annex EE determination describes recuperative duties as a structured, time-limited, supportive and rehabilitative return, and adjusted duties as duties with workplace adjustments, including reasonable adjustments under the Equality Act 2010. See restricted and adjusted duties.
- Injury on duty. The Police (Injury Benefit) Regulations 2006 define injury as including any injury or disease "whether of body or of mind", and regulation 6 sets out when an injury counts as received in the execution of duty. If a mental health condition follows an incident at work, make sure the incident is recorded. See injured on duty: what to do step by step.
- If you cannot return. Ill-health retirement is a separate process decided by the police pension authority, with medical questions referred to a selected medical practitioner (SMP). See ill-health retirement.
Under regulation 11 of the Police (Injury Benefit) Regulations 2006, a person who has left the force and is permanently disabled as a result of an injury received without their own default in the execution of duty is entitled to a gratuity and an injury pension, and injury includes injury of mind. Other routes may exist depending on the circumstances. We do not cover amounts here; see police compensation explained, injury awards explained and how injury awards are reviewed. Speak to your Federation or staff association about any claim.
Supporting families
A traumatic incident does not stay at work. The College of Policing APP says forces should consider whether to contact the families of key police witnesses, in consultation with the officer, and that families may need extended welfare, medical and professional support from force occupational health and welfare advisers. Where a force makes contact, it should prepare the family for the possible reactions of those involved. The APP also says family liaison officers can be used to support the families of officers significantly affected by firearms incidents, especially where the officer's identity has become public, and names the Police Firearms Officers Association as offering support to officers and their families.
NICE asks clinicians to think about the impact of a traumatic event on other family members, and to give family members information on treatment and how to support someone to access it. Police Care UK says it supports families of people harmed through policing.
- Changes in sleep, temper, drinking, withdrawal or avoidance can follow a bad incident, sometimes weeks later.
- You can call the services in the support boxes on this page yourself; you do not need the officer's permission to get information for you.
- If you think someone is at immediate risk, call 999.
- For how to raise it gently, see supporting a colleague who is struggling; much of it applies at home too.
What to ask for after an incident
- Has TRiM, or the force's equivalent, been activated, and who is my contact?
- How do I reach occupational health directly, and how quickly?
- Where is the post-incident or TRiM policy, and what is recorded about me?
- Can I have time off, a shift change or a different role for a period?
- How will I be kept updated about any investigation?
- Is the force employee assistance line available, and is it confidential?
- What will this session involve? Will I be asked to go over the incident in detail?
- Can it be one to one rather than in a group?
- What do you record, who sees it, and when would you tell my manager?
- When is the follow-up?
- If I need more help, where will you refer me?
- Is this a post-incident procedure, and what does that mean for my accounts?
- How do I use welfare support without discussing disputed facts?
- Should the incident be recorded as a potential injury on duty?
- What legal support is available to me?
- Are these symptoms something to watch, or should I start treatment now?
- Can I have trauma-focused CBT or EMDR, and how long is the wait?
- Can I self-refer to NHS talking therapies?
- Will treatment affect my role in an investigation or inquest? (NICE says it should not be delayed for that reason alone.)
Supervisors: the West Midlands policy asks managers to keep watching for delayed reactions after TRiM, to encourage use of the employee assistance line and to refer to occupational health where appropriate. The College of Policing guidance names control room staff and decision makers among those who may be affected. If you manage people after an incident, include them.
What people get wrong
- "TRiM is counselling." It is a peer risk assessment and referral route. In the policy we read it explicitly cannot provide medical or clinical support.
- "Everyone should be debriefed straight away to prevent PTSD." NICE says psychologically-focused debriefing should not be offered to prevent or treat PTSD. Practical and welfare support, and watching how people are doing, are a different thing.
- "If I feel fine now, I'm in the clear." The NHS says PTSD can start months or years after an event. A follow-up at about a month exists for this reason, and you can ask for help at any time after.
- "Firearms officers lose their ticket after any shooting." The College of Policing APP says authorisation should not be removed automatically because of involvement in an incident; a chief officer makes an evidence-based, documented decision.
- "I can't get treatment until the investigation is over." NICE says treatment should not be delayed or withheld solely because of court proceedings. Discuss timing with your clinician and representative.
- "Declining TRiM leaves no trace." The force policy we read keeps records of who attended and who did not. Declining is allowed; it is still worth knowing what is kept.
- "Asking for help will end my career." Nothing in the guidance we read says so. How health affects duties, authorisations and vetting is explained in telling occupational health about your mental health.
What we could not verify
- A national TRiM standard or timetable. We found none. Oscar Kilo's HEART guidance, which it says replaces STRICT, was not yet published in full. The timings on this page come from one force policy and the College of Policing guidance for DSI incidents.
- Other forces' TRiM policies. Kent Police and West Yorkshire Police policies were listed publicly but returned "access denied" when we tried to read them, so we used the West Midlands Police policy as the example.
- Whether TRiM or welfare notes can be disclosed in an investigation. We found no national statement. Ask your representative.
- How many forces use TRiM. We could not find a current national count.
- Full research papers. The journal full texts were behind access checks; we read the published abstracts, and the page describes only what those abstracts say.
- NICE pages. Automated access to NICE was blocked at first; we read the recommendations and rationale pages in full by a second route on 30 September 2026.
Frequently Asked Questions
What is TRiM in the police?
TRiM (Trauma Risk Management) is a peer-led process in which trained colleagues run a structured risk assessment with people exposed to a potentially traumatic incident, to spot who may need more support and refer them early. It was developed with the Royal Marines and Royal Navy by researchers at King's College London and adopted across the UK Armed Forces from 2008. Many UK police forces use it, but each force writes its own policy.
Is TRiM confidential?
Largely, but not absolutely. The West Midlands Police policy we read says what you say is confidential between the colleagues involved, with exceptions where there is a risk of harm to yourself or others, criminal activity, a disciplinary matter, or a risk from further exposure to similar trauma. It also keeps records of the incident, who attended or did not attend, and assessment scores. Ask your own force for its policy.
Is TRiM compulsory?
In the force policy we read, taking part is voluntary for individuals and groups. Separately, College of Policing guidance says officers who have discharged their firearm must complete a mandatory occupational health post-incident support programme provided by their force. That is an occupational health programme, not TRiM.
Is TRiM the same as a psychological debrief?
It is meant not to be. TRiM is a risk assessment and signposting process, not a session in which you are asked to relive the event to prevent PTSD. NICE guideline NG116 (recommendation 1.6.5) says psychologically-focused debriefing should not be offered to prevent or treat PTSD. Some force sessions include an emotional element, so it is reasonable to ask what a session involves.
When does TRiM happen after an incident?
There is no national timetable that we could confirm. The West Midlands Police policy sets a manager debrief and welfare check in the first 24 hours, planning between 24 and 72 hours, assessments from about 72 hours, a follow-up usually after 28 days and, if needed, another at three months. Your force may differ.
Does NICE recommend debriefing everyone after a traumatic incident?
No. NICE NG116 says do not offer psychologically-focused debriefing for the prevention or treatment of PTSD, because the evidence showed no benefit and some suggestion of worse outcomes. For people with milder symptoms in the first month it suggests active monitoring (watchful waiting) with follow-up within a month.
What welfare support should I get after a police shooting or a death following police contact?
College of Policing guidance lists first aid, refreshments, toilet access, a call to family, a shower and change of clothes, access to legal and Federation or staff association advice, and updates on how long you will be kept on duty. Everyone involved, whether a key police witness or not, should be able to get support from occupational health or a professional health adviser, within 72 hours if possible.
Will I lose my firearms authorisation after a shooting?
Not automatically. The College of Policing APP says an officer's authorisation to carry a firearm should not automatically be removed because of involvement in an incident. A chief officer makes a documented, evidence-based assessment of when you can return, having consulted the investigating body, professional standards and the occupational health provider.
Can PTSD start months after an incident?
Yes. The NHS says PTSD symptoms can develop immediately after a distressing event or many months, or even years, later. NICE also notes that traumatic events may have happened many months or years before someone is assessed. A late reaction is not a sign that you coped badly at the time.
What treatment works for PTSD?
NICE recommends individual trauma-focused cognitive behavioural therapy for adults with PTSD or clinically important symptoms, typically over 8 to 12 sessions, and EMDR for non-combat trauma presenting more than three months after the event. Drug treatment is not recommended to prevent PTSD, but venlafaxine or an SSRI such as sertraline can be considered for adults with PTSD who prefer medication.
Can I get PTSD treatment while an investigation or inquest is still running?
NICE says treatment for PTSD should not be delayed or withheld solely because of court proceedings or compensation claims, and that the timing should be discussed with you so you can decide. If you are a witness in an investigation, tell your clinician and speak to your Federation or staff association representative about how treatment and your accounts fit together.
What if my force does not use TRiM?
TRiM is one model, not a legal requirement we could find. Oscar Kilo, the National Police Wellbeing Service, says its new HEART guidance will replace the former STRICT guidance as a national model for managing trauma exposure, but the full document was still in development when we checked. Ask your force what its post-incident process is and how to reach occupational health directly.
Sources and how we checked them
Every factual claim on this page was written from the sources below, read on 30 September 2026. Rules and figures change, so check the source for the date you are reading this. Where we could not confirm something from an official or independent source, the page says so rather than guessing. Spotted something out of date? See our corrections policy.
- NICE guideline NG116: Post-traumatic stress disorder, recommendations (published 5 December 2018) — 1.6.4 active monitoring; 1.6.5 no psychologically-focused debriefing; 1.6.15 to 1.6.26 treatment; 1.3.2 treatment not delayed by proceedings; 1.4.3 to 1.4.4 families (accessed 30 September 2026)
- NICE NG116: rationale and impact — why debriefing is not recommended; why active monitoring (accessed 30 September 2026)
- College of Policing APP: armed policing, post-deployment (updated 25 August 2026) — post-incident welfare, conferring, accounts, defusing, authorisation, mandatory OH programme, families (read via the College's published PDF version) (accessed 30 September 2026)
- College of Policing APP: post-incident procedures following death or serious injury (updated 16 March 2026) — non-firearms DSI: welfare, OH within 72 hours, terms of reference within 48 hours, 28-day updates (accessed 30 September 2026)
- IOPC: Statutory guidance to the police service on achieving best evidence in death and serious injury matters (January 2019) — separation and conferring; welfare needs and access to legal, staff association and medical advice not to be prevented (accessed 30 September 2026)
- West Midlands Police: Trauma Risk Management (TRiM) policy, POD/32 version 2.1 (26 February 2026) — an example force policy: voluntary, peer-led, timescales, confidentiality limits, records, TRiM after the post-incident procedure (accessed 30 September 2026)
- NHS: Post-traumatic stress disorder (PTSD), overview (reviewed 8 April 2026) — symptoms; onset immediately or months or years later; see a GP (accessed 30 September 2026)
- NHS: PTSD treatment (reviewed 8 April 2026) — trauma-focused CBT, EMDR, medication; self-referral to NHS talking therapies (accessed 30 September 2026)
- Whybrow D, Jones N, Greenberg N. Promoting organizational well-being: a comprehensive review of Trauma Risk Management. Occupational Medicine 2015;65:331-336 — TRiM developed in the British Armed Forces; 13 papers; aims and findings (abstract read) (accessed 30 September 2026)
- Greenberg N et al. A cluster randomized controlled trial to determine the efficacy of TRiM in a military population. Journal of Traumatic Stress 2010;23:430-436 — no significant change in psychological health or stigma; modestly better organisational functioning (abstract read) (accessed 30 September 2026)
- Jones N, Burdett H, Green K, Greenberg N. TRiM: promoting help seeking among combat-exposed UK military personnel. Psychiatry 2017;80:236-251 — more help-seeking, but more persistent symptoms and alcohol misuse among TRiM recipients (abstract read) (accessed 30 September 2026)
- Hunt E, Jones N, Hastings V, Greenberg N. TRiM: an organizational response to traumatic events in Cumbria Constabulary. Occupational Medicine 2013;63:549-555 — police use after the June 2010 incident; association with reduced sickness absence (abstract read) (accessed 30 September 2026)
- Billings J et al. Post-incident psychosocial interventions after a traumatic incident in the workplace: a systematic review. European Journal of Psychotraumatology 2023;14:2281751 — no harm shown for TRiM and others, no conclusive benefit, generic debriefing linked to some negative outcomes, mostly poor-quality evidence (abstract read) (accessed 30 September 2026)
- Stileman HM, Jones CA. Revisiting the debriefing debate: a meta-analysis. Frontiers in Psychology 2023;14:1248924 — no consistent evidence that psychological debriefing prevents or reduces PTSD after work-related trauma (abstract read) (accessed 30 September 2026)
- Research Excellence Framework impact case study: King's College London, improving mental health in the UK Armed Forces and other at-risk organisations — TRiM developed by KCL with the Royal Marines and Royal Navy; adopted by all UK Armed Forces from 2008; police adopters (accessed 30 September 2026)
- Oscar Kilo: psychological and trauma risk management (HEART guidance) — HEART replaces STRICT; full guidance in development; peer debriefing model course (accessed 30 September 2026)
- Police (Injury Benefit) Regulations 2006 (SI 2006/932), regulation 6 and Schedule 1 — injury in the execution of duty; injury includes injury or disease of body or of mind (accessed 30 September 2026)
On this topic elsewhere
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Disclaimer
PolicePay.co.uk is an independent reference site. It is not a health, counselling or legal service, and this page is general information, not medical, psychological or legal advice. It cannot consider your personal circumstances. If you are struggling, speak to your GP, a qualified professional or one of the services listed on this page. If you or someone else is in immediate danger, call 999. Details apply to England and Wales unless stated. Details are as checked on 30 September 2026.