First reported 29 May 2014•Latest report 13 Jan 2026
Definition
What this concern includes
Includes delayed achievement of best evidence, inadequate investigative questioning and failures to pursue material admissions or evidence in police investigations.
Not included
Clinical, employment, regulatory or coronial evidence gathering
Police dispatch or emergency-response failures
Investigation-review failures that do not affect evidence gathering
Reports
10
Distinct published reports
Individual concerns
16
A report can raise multiple concerns
Date range
2014–2026
First to latest report issue date
Stated actions
20
Described in published responses
Reports over time
Reports over time
Reports about this concern issued each year.
* 2026 is projected from reports observed to 7 Sep 2026.
Most frequent recipients
Most frequent recipients
Reports about this concern sent to each recipient.
Metropolitan Police Service2
Cambridgeshire Constabulary1
College of Policing1
Department for Education1
Department of Health and Social Care1
Devon & Cornwall Police1
Essex Police1
Greater Manchester Police1
Health and Safety Executive1
Home Office1
Humberside Police1
Independent Office for Police Conduct1
Mid and West Wales Fire and Rescue Service1
Ministry of Justice1
National Crime Agency1
Police force8
Ministerial department3
National policing body2
Devolved government1
Executive non-departmental public body1
Fire and rescue service1
Health professional body1
Non-ministerial department1
Police and crime commissioner1
Police oversight body1
Rail infrastructure manager1
Workplace safety regulator1
Concerns and responses across reports
Only concerns grouped under this recurring concern are included. Select any concern, action or position to view the source wording.
Northamptonshire
Concerns raised1
Failure to investigate suspected tablet-supply activity referred by another police force
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Cambridgeshire and Peterborough
Concerns raised1
Failure to seize and retain relevant scene samples and evidence for later investigation
This report raised 7 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.3
Action
Establish SOCO liaison and incorporate assessment and seizure of potentially evidential biological samples into child-death forensic strategies.
Stated by Cambridgeshire ConstabularyStated completedThe respondent said that this action was complete when they made their response on 2 December 2025.
Action
Amend, reissue and widely circulate procedural guidance and aide-memoires for child-death investigations, covering evidence preservation, medical liaison and anaphylaxis considerations.
Stated by Cambridgeshire ConstabularyStated completedThe respondent said that this action was complete when they made their response on 2 December 2025.
Action
Include revised child-death investigation processes in ongoing training cycles for frontline and investigative staff.
Stated by Cambridgeshire ConstabularyStated completedThe respondent said that this action was complete when they made their response on 2 December 2025.
Swansea and Neath Port Talbot
Concerns raised2
Absence of a Police-HSE memorandum of understanding or protocol for domestic explosion evidence requirements
Lack of understanding of evidence requiring preservation during domestic explosion investigations
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.3
Action
Raise the identified investigation concerns with the National Liaison Committee for consideration in the Protocol review.
Stated by South Wales PoliceStated plannedThe respondent said that this action was planned when they made their response on 19 December 2025.
Action
Develop a proposed Suspected Gas Explosion checklist for consideration alongside the existing Carbon Monoxide checklist.
Stated by Health and Safety ExecutiveStated in progressThe respondent said that this action was in progress when they made their response on 19 December 2025.
Action
Prepare national training material on work-related aspects of investigations, including advice for first responders.
Stated by Health and Safety ExecutiveStated in progressThe respondent said that this action was in progress when they made their response on 19 December 2025.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.3
Position
The National Liaison Committee is responsible for deciding and implementing any appropriate amendments to the Protocols.
Stated by South Wales PoliceRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Position
The existing Work Related Death Protocol is considered fit for purpose and addresses evidence preservation, investigation coordination and information-sharing concerns.
Stated by Health and Safety ExecutiveExisting arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
Position
The National Liaison Committee owns the protocol and must agree proposed updates, including a suspected gas explosion checklist.
Stated by Health and Safety ExecutiveRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Swansea and Neath Port Talbot
Concerns raised1
Failure to preserve fire scenes until all instructed investigations are completed
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.3
Position
The Welsh Government has no control over operational scene and inter-service matters and cannot take action addressing them.
Stated by Welsh GovernmentOutside remitThe respondent said that this matter was outside its role or authority.
Position
Operational matters concerning scene items and inter-service working are for South Wales Police and Mid and West Wales Fire and Rescue Service.
Stated by Welsh GovernmentRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Position
Police retain responsibility for scene management and decisions to remove or seize items in fatality or suspected-criminality fire investigations.
Stated by Mid and West Wales Fire and Rescue ServiceRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
East Riding and Hull
Concerns raised1
Failure to preserve time-sensitive CCTV evidence relevant to suspect identification
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.2
Action
Refresh fast-track actions and Golden Hour Principles through continuing professional development for patrol constables and sergeants.
Stated by Humberside PoliceStated in progressThe respondent said that this action was in progress when they made their response on 25 January 2024.
Action
Review the sudden and unexpected death policy and amend it to address drug-related deaths and recordable drug deliveries.
Stated by Humberside PoliceStated in progressThe respondent said that this action was in progress when they made their response on 25 January 2024.
Cornwall and Isles of Scilly
Concerns raised1
Delays of over a month in obtaining best evidence through video interview or otherwise
This report raised 5 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.1
Action
Prepare a business case considering an uplift in sexual offences liaison officers to improve timely access to specialist victim interviews.
Stated by Devon & Cornwall PoliceStated in progressThe respondent said that this action was in progress when they made their response on 19 May 2023.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Position
Some delays in obtaining victim video-interview accounts arise from factors outside police control.
Stated by Devon & Cornwall PoliceUnable to actThe respondent said that a constraint prevented them from taking the relevant action.
Manchester South
Concerns raised3
Failure to establish available recordings and the scope of relevant social media evidence before case closure
Failure to conduct a further face-to-face conversation with the child
Delays in seizing key digital evidence
This report raised 12 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Inner North London
Concerns raised2
Failure to obtain statements from available witnesses
Failure to investigate a volunteered admission of hammer possession
This report raised 17 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Manchester South
Concerns raised2
Failure to take fingerprints at the crime scene
Failure to investigate unexplained blood without relying on an unsupported assumption
This report raised 6 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
London (North)
Concerns raised2
Failure to video record fatal police shooting scenes
Failure to obtain prompt comprehensive statements from all police witnesses to fatal shootings
This report raised 8 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concerns
Each statement is shown once, even when linked to more than one concern.
Actions described in response An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.11
Action
Consider including scene video recording requirements in the statutory guidance.
Stated by Independent Office for Police ConductStated plannedThe respondent said that this action was planned when they made their response on 29 May 2014.
Action
Consider how to reflect earliest-possible scene video recording in College of Policing APP post-incident procedures.
Stated by National Police Chiefs’ CouncilStated plannedThe respondent said that this action was planned when they made their response on 29 May 2014.
Action
Conduct a feasibility study on assigning an operations team officer to record pre-planned shooting scenes until specialist investigators or support services arrive.
Stated by Metropolitan Police ServiceStated in progressThe respondent said that this action was in progress when they made their response on 29 May 2014.
Action
Issue draft statutory guidance on obtaining best evidence in death or serious injury matters for consultation.
Stated by Independent Office for Police ConductStated completedThe respondent said that this action was complete when they made their response on 29 May 2014.
Action
Review consultation responses and produce a revised statutory guidance document for submission to the Secretary of State.
Stated by Independent Office for Police ConductStated in progressThe respondent said that this action was in progress when they made their response on 29 May 2014.
Action
Review post-incident procedures in light of issues arising from Mark Duggan’s death.
Stated by National Police Chiefs’ CouncilStated in progressThe respondent said that this action was in progress when they made their response on 29 May 2014.
Action
Ensure a senior officer is present while officers prepare initial accounts after a death or serious injury incident.
Stated by National Police Chiefs’ CouncilStated completedThe respondent said that this action was complete when they made their response on 29 May 2014.
Action
Commission an expert review of research underpinning delayed formal accounts after traumatic firearms incidents.
Stated by National Police Chiefs’ CouncilStated completedThe respondent said that this action was complete when they made their response on 29 May 2014.
Action
Revise the APP to restrict staff association representatives’ pre-account intervention to welfare considerations, working with the College of Policing.
Stated by National Police Chiefs’ CouncilStated plannedThe respondent said that this action was planned when they made their response on 29 May 2014.
Action
Require a senior officer to attend the Post Incident Management suite while officers produce statements, ensuring accounts contain sufficient detail.
Stated by Metropolitan Police ServiceStated completedThe respondent said that this action was complete when they made their response on 29 May 2014.
Action
Work with law firms representing firearms officers to clarify expectations for detailed post-incident accounts.
Stated by Metropolitan Police ServiceStated in progressThe respondent said that this action was in progress when they made their response on 29 May 2014.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.7
Position
The IPCC, through its senior investigating officer, holds ultimate responsibility for recording the scene of a fatal police shooting.
Stated by Metropolitan Police ServiceRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Position
Firearms officers’ priorities of saving life, protecting the public and securing the scene were treated as limiting the feasibility of comprehensively recording every aspect.
Stated by Metropolitan Police ServiceExisting arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
Position
Firearms officers should not be responsible for recording post-incident scene preservation; responsibility should fall to investigators or an assigned operations team officer.
Stated by Metropolitan Police ServiceRedirects responsibilityThe respondent said that another organisation was responsible for deciding or taking action.
Position
Further comment on police witness accounts was deferred because statutory guidance had not been finalised and consultation responses were still under review.
Stated by Independent Office for Police ConductUnable to actThe respondent said that a constraint prevented them from taking the relevant action.
Position
The existing APP’s flexible, balanced approach is considered sufficient; wholesale separation of officers is not supported as fit for purpose.
Stated by National Police Chiefs’ CouncilExisting arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
Position
Separating officers may be operationally, logistically and practically impractical, particularly where numerous witnesses and operational imperatives are involved.
Stated by National Police Chiefs’ CouncilUnable to actThe respondent said that a constraint prevented them from taking the relevant action.
Position
Taking full statements immediately from officers affected by shock, distress or extreme fatigue was considered counterproductive and of limited forensic value.
Stated by Metropolitan Police ServiceUnable to actThe respondent said that a constraint prevented them from taking the relevant action.