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Operation Herne

Operation Herne

Operation Herne (formerly Soisson) was formed in October 2011 in response to allegations made by the Guardian newspaper about alleged misconduct and criminality engaged in by members of the SDS.

Similar matters had been previously aired as early as 2002 in a BBC documentary.

The Special Demonstration Squad (SDS) was an undercover unit formed by the Metropolitan Police’s Special Branch. It operated between 1968 and 2008, during which time it infiltrated and reported on groups concerned in violent protest.

Derbyshire Constabulary's Chief Constable, Mick Creedon, is the independent lead for Operation Herne on behalf of Metropolitan Police Service.

In this section, you can download the reports that are produced over the course of Operation Herne:

  • Report 1: Covert Identities
  • Report 2: Allegations of Peter Francis
  • Report 3: Special Demonstration Squad Reporting: Mentions of Sensitive Campaigns

To view these, click on the items underneath 'Related Documents' at the top-right of this page.

Operation Herne - Update 27 March 2014

Following the publication of Operation Herne: Report 2 - Allegations of Peter Francis on 6 March 2014 -  three minor amendments have subsequently been made to the report. These amendments follow the erroneous inclusion of comments intended as draft. These were at sections 2.4, 21.1.16 and 25.1.2 respectively.

The report hosted on this page is the updated and accurate report. Any previous versions should be discarded.

July 2014 - Report 3

On 24 July, Derbyshire Chief Constable Mick Creedon has published his latest report as part of the ongoing investigation under Operation Herne.

This report examines in detail the allegation by a Mr Peter Francis that Special Demonstration Squad (SDS) officers were tasked to infiltrate justice campaign groups.




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