Unreliable gathering of witness evidence for formal investigations
First to latest report 29 May 2014 — 6 Feb 2026
Reports that mention this concern
17
Times this concern has been raised
19
Stated actions linked to this concern
34
What this concern includes
Includes failures to identify relevant witnesses and obtain, document or provide their statements or accounts in time for formal coronial, inquest, service, disciplinary, prosecution or comparable safety investigations.
What is not included
Excludes general investigation delays or incomplete investigations where no witness-evidence gathering failure is identified.
Excludes disclosure failures occurring after witness statements or accounts have been reliably obtained, unless the assertion also concerns obtaining the witness evidence itself.
Excludes failures to obtain non-witness documentary, digital or physical evidence unless the assertion also concerns the gathering of witness statements or accounts.
Excludes ordinary clinical, care or employment documentation failures that are not part of gathering evidence for a formal investigation or proceeding.
Trends
Reports over time
Reports mentioning this concern, 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.
Department of Health and Social Care3
Betsi Cadwaladr University LHB2
Central and North West London NHS Foundation Trust2
Greater Manchester Mental Health NHS Foundation Trust2
Metropolitan Police Service2
Birmingham and Solihull Mental Health NHS Foundation Trust1
Birmingham City Council1
Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust1
Droylsden Road Family Practice1
East London NHS Foundation Trust1
Hc-One Limited1
Home Office1
Independent Office for Police Conduct1
Leeds Teaching Hospitals NHS Trust1
Ministry of Defence1
NHS trust11
Ministerial department5
Local health board2
Police force2
Coronial office1
English metropolitan district council1
Executive non-departmental public body1
Healthcare site1
National policing body1
Non-ministerial department1
Police oversight body1
Prison or young offender institution1
Private limited company1
Type not available1
Reports and published responses 17 reports
See individual reports that have raised this concern, and the actions taken in response
Manchester City
Concerns raised1
Failure to obtain crucial witness evidence, learn lessons, and adequately oversee SUI report sign-off
This report raised 9 other concerns. They are not shown here because they do not form part of this recurring concern.
Linked response
Greater Manchester Mental Health NHS Foundation Trust
Stated actions An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.3
Greater Manchester Mental Health NHS Foundation Trust
Share the Trust review findings with inpatient and CMHT teams through a learning event.
Greater Manchester Mental Health NHS Foundation Trust
Update the serious-incident information-gathering process to obtain staff statements early and use them in investigations.
Greater Manchester Mental Health NHS Foundation Trust
Assign a Patient Safety Practitioner to support and advise serious-incident review teams.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Greater Manchester Mental Health NHS Foundation Trust
The omission of the Responsible Clinician’s interview would not have changed the Serious Incident investigation’s findings.
Disputes the concernThe respondent disagreed with part of the concern or the basis for it.
Inner North London
Concerns raised1
Delays in interviewing witnesses to progress disciplinary hearings
This report raised 1 other concern. They are not shown here because they do not form part of this recurring concern.
Linked response
North London NHS Foundation Trust
Stated actions An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.5
North London NHS Foundation Trust
Roll out Vital Conversations training for line managers as a professional requirement, initially prioritising nursing managers.
North London NHS Foundation Trust
Review the disciplinary policy to clarify which matters warrant full investigation and complete the refreshed policy.
North London NHS Foundation Trust
Require a specially trained lay staff member to review disciplinary cases and provide assurance or challenge whether a formal hearing is required.
North London NHS Foundation Trust
Strengthen formal disciplinary investigations by emphasising managers’ responsibility to minimise delays and monitoring occupational health and Employee Assist referrals.
North London NHS Foundation Trust
Add the risks of unnecessary and lengthy disciplinary processes to the HR and OD department risk register and monitor progress.
Inner North London
Concerns raised1
Failure to obtain statements from available witnesses
This report raised 18 other concerns. They are not shown here because they do not form part of this recurring concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Sunderland
Concerns raised1
Failure to obtain timely witness statements after falls
This report raised 14 other concerns. They are not shown here because they do not form part of this recurring concern.
Linked response
Hc-One Limited
Stated actions An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.1
Hc-One Limited
Monitor incident-investigation reporting quality and provide refreshed investigation-management training to Home Managers and Area Team Managers.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Hc-One Limited
Contrary to the report, witness information was obtained during the initial and subsequent internal investigations.
Disputes the concernThe respondent disagreed with part of the concern or the basis for it.
Buckinghamshire
Concerns raised1
Delays in identifying relevant witnesses and providing witness statements for coronial investigations
This report raised 15 other concerns. They are not shown here because they do not form part of this recurring concern.
No linked response statements
No respondent-stated action or position is linked to these concerns in the published data.
Derby and Derbyshire
Concerns raised1
Failure to interview key witnesses during investigations
This report raised 4 other concerns. They are not shown here because they do not form part of this recurring concern.
Linked response
Tameside and Glossop Integrated Care NHS Foundation Trust
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.1
Tameside and Glossop Integrated Care NHS Foundation Trust
Existing serious incident processes provide significant assurance that appropriate systems and processes are in place.
Existing arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
London (North)
Concerns raised1
Failure to obtain prompt comprehensive statements from all police witnesses to fatal shootings
This report raised 9 other concerns. They are not shown here because they do not form part of this recurring concern.
Linked responses
Independent Office for Police Conduct
Metropolitan Police Service
National Police Chiefs’ Council
Stated actions An action is something a respondent says it has done, is doing, or plans to do in response to the concern raised.8
Independent Office for Police Conduct
Issue draft statutory guidance on obtaining best evidence in death or serious injury matters for consultation.
Independent Office for Police Conduct
Review consultation responses and produce a revised statutory guidance document for submission to the Secretary of State.
National Police Chiefs’ Council
Review post-incident procedures in light of issues arising from Mark Duggan’s death.
National Police Chiefs’ Council
Ensure a senior officer is present while officers prepare initial accounts after a death or serious injury incident.
National Police Chiefs’ Council
Commission an expert review of research underpinning delayed formal accounts after traumatic firearms incidents.
National Police Chiefs’ Council
Revise the APP to restrict staff association representatives’ pre-account intervention to welfare considerations, working with the College of Policing.
Metropolitan Police Service
Require a senior officer to attend the Post Incident Management suite while officers produce statements, ensuring accounts contain sufficient detail.
Metropolitan Police Service
Work with law firms representing firearms officers to clarify expectations for detailed post-incident accounts.
Respondent positions A position is what a respondent says about the concern when they do not describe a specific action.4
Independent Office for Police Conduct
Further comment on police witness accounts was deferred because statutory guidance had not been finalised and consultation responses were still under review.
Unable to actThe respondent said that a constraint prevented them from taking the relevant action.
National Police Chiefs’ Council
The existing APP’s flexible, balanced approach is considered sufficient; wholesale separation of officers is not supported as fit for purpose.
Existing arrangements considered sufficientThe respondent said that existing arrangements were sufficient, so no further action was needed.
National Police Chiefs’ Council
Separating officers may be operationally, logistically and practically impractical, particularly where numerous witnesses and operational imperatives are involved.
Unable to actThe respondent said that a constraint prevented them from taking the relevant action.
Metropolitan Police Service
Taking full statements immediately from officers affected by shock, distress or extreme fatigue was considered counterproductive and of limited forensic value.
Unable to actThe respondent said that a constraint prevented them from taking the relevant action.
Actions and positions describe what organisations say in published responses. Implementation is not independently verified.