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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The National Police Chiefs’ Council (NPCC) said on 27 June 2025 that seven people had been formally identified as suspects in Operation Olympos, the national police investigation into potential criminality linked to the Post Office Horizon scandal. At that time, more than 45 people were under investigation. A later police update was reported by Computer Weekly on 1 October 2026 as putting the count at eight suspects and 53 persons of interest; those are separate categories, and the later figures are secondary reporting rather than a directly cited police release.
What the seven-suspect figure means
The figure of seven belongs to the NPCC’s update dated 27 June 2025. The council said seven people had been formally identified as suspects, while more than 45 individuals were under investigation. Those descriptions are not interchangeable: the wider group under investigation was larger than the group formally identified as suspects.
The NPCC did not name the seven in that release. A suspect designation is an investigative status, not a charge, prosecution or finding of guilt.
How the reported count changed
Computer Weekly reported on 1 October 2026 that a subsequent police update put the number of suspects at eight and the number of persons of interest at 53. The report distinguishes those labels; it does not establish that the two groups can be added together or treated as equivalent. The figures below preserve the dates and categories used in the available accounts.
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| Update and source | Suspects | People under investigation | Persons of interest |
|---|---|---|---|
| 27 June 2025, NPCC | 7 formally identified | More than 45 | Not stated by the NPCC release |
| Later police update, as reported 1 October 2026 by Computer Weekly | 8 | Not stated in the report cited here | 53 |
The NPCC said in June 2025 that the numbers of suspects, documents and victims were expected to rise as the investigation progressed. Commander Stephen Clayman, whom the council identified as leading the investigation, said: “Formally identifying a suspect and preparing to question them takes a significant amount of time due to the volume of material and enquiries necessary so these numbers will continue to rise as the team’s work progresses.”
What Operation Olympos is investigating
Operation Olympos is the national police inquiry into potential criminality connected with the Horizon scandal. In its June 2025 description, the NPCC said investigators were examining possible perjury and perverting the course of justice in connection with prosecutions. The remit covers potential conduct by individuals and organisations, including Post Office investigators, managers, legal teams and executive oversight, as well as Fujitsu staff and executives. This describes what police are investigating; it is not a finding that any person or organisation committed an offence.
Why police say they are not reopening every wrongful conviction
The NPCC said Operation Olympos is not a case-by-case reinvestigation of every wrongful prosecution. Police regard the actions taken against subpostmasters, and evidence presented about them that may have been tainted or missing, as relevant evidence in examining suspected justice offences. The council said its strategy does not require a review of every individual case.
According to the NPCC, the strategy was reviewed and agreed with the Crown Prosecution Service and is intended to meet disclosure and evidential requirements while keeping the inquiry focused and proportionate. That scope does not diminish the wrongful prosecutions; it defines the way police say they are pursuing the suspected offences.
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Scale and organisation of the investigation
The NPCC’s 27 June 2025 update said the investigation team had been strengthened to 100 officers and staff. Four regional investigation teams included officers from forces across England and Wales, while Police Scotland and the Police Service of Northern Ireland also contributed. The NPCC described the impact of the scandal as extending across most areas of England and Wales, as well as Scotland and Northern Ireland.
| Measure | NPCC figure and date |
|---|---|
| Documents to review | Around 1.5 million when the team was introduced; 6 million by 27 June 2025 |
| Team strength | 100 officers and staff by 27 June 2025 |
| People interviewed | 4 by 27 June 2025: 2 in late 2021, 1 in late 2024 and 1 in early 2025 |
These are historical figures from the NPCC’s June 2025 update, not present-day totals. The council said the Metropolitan Police and NPCC oversaw the national investigation, which was led by Commander Stephen Clayman. It also described a national Platinum oversight group led by NPCC Chair Chief Constable Gavin Stephens.
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Sources
- National Police Chiefs’ Council, 27 June 2025: Operation Olympos update
- Computer Weekly, 1 October 2026: later reported suspect and persons-of-interest figures
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