Letters between the Security Service and Special Branch regarding the need to avoid duplication of coverage

2023-01-27T14:44:25+00:00

Letter

We use some essential cookies to make this website work effectively. We’d like to set additional cookies to understand how you use ucpi.org.uk and help us deliver content from other sites such as Twitter. Further information can be found in the Inquiry’s cookie policy.

Manage cookies OK

Essential cookies

These cookies do things such as protect ucpi.org.uk from malicious attacks, remember a user’s cookie settings and provide enhanced accessibility features. They always need to be on.

Analytics cookies

We use Google Analytics to measure how you use the website so we can improve it based on user needs. We do not allow Google to use or share the data about how you use this site.

Tracking Cookies

Functional cookies

These cookies may be set by third-party websites and are needed for us to deliver certain content from other sites.

Twitter

Publication date:	27 Jan 2023
Original document date:	06 Dec 1973
Reference:	MPS-0735752
Category:	Evidence