{{Short description|British counterespionage investigation}} {{Use British English|date=December 2025}} {{Use dmy dates|date=December 2025}} '''Operation Wedlock''' was a 20-year investigation by MI5 looking for a suspected Russian double-agent within MI6. Operation Wedlock ended in 2015 as "inconclusive". According to Gordon Corera in his book ''The Spy in the Archive: How One Man Tried to Kill the KGB'', the basis for the investigation was that the CIA alleged that an unknown MI6 officer was "turned by Moscow" and supported Russia's interests by sending to Russia secrets from MI6.<ref>{{Cite news |last=Hopkins |first=Nick |last2=Isaac |first2=Anna |date=2025-06-27 |title=UK launched huge operation to find suspected Russian double agent in MI6 |url=https://www.theguardian.com/uk-news/2025/jun/27/uk-spy-operation-wedlock-suspected-russian-double-agent-mi6 |access-date=2025-06-27 |work=The Guardian |language=en-GB |issn=0261-3077 |archive-url=https://archive.today/20250628005608/https://www.theguardian.com/uk-news/2025/jun/27/uk-spy-operation-wedlock-suspected-russian-double-agent-mi6 |archive-date=2025-06-28}}</ref><ref>{{cite news | last=Parker | first=Charlie | url=https://www.thetimes.com/uk/defence/article/mi6-russian-spy-double-agent-operation-8vrsrbft3 | title=Inside the 20-year MI6 operation to find Russian spy in its ranks: The Secret Intelligence Service's Operation Wedlock failed to find the double agent, leading to suspicions there may 'still be a mole to find' | newspaper=The Times | access-date=2025-07-18 | date=2025-06-25 | archive-url=https://archive.today/20250627211612/https://www.thetimes.com/uk/defence/article/mi6-russian-spy-double-agent-operation-8vrsrbft3 | archive-date=2025-06-27 }}</ref><ref>{{cite news | last=Brown | first=Larisa | url=https://www.thetimes.com/article/hunt-russian-spy-mi6-revealed-l7gn609jw | title=Hunt for Russian spy in MI6 revealed after 30 years: The Secret Intelligence Service tried to find a suspected traitor in the 1990s, after a tip-off from a CIA agent working for the US in Moscow | newspaper=The Times | access-date=2025-07-18 | date=2025-05-30 | archive-url=https://archive.today/20250718153728/https://www.thetimes.com/uk/defence/article/hunt-russian-spy-mi6-revealed-l7gn609jw | archive-date=2025-07-18 }}</ref><ref>{{cite book | last=Corera | first=Gordon | author-link=Gordon Corera | title=The Spy in the Archive: How One Man Tried to Kill the KGB | publisher=Pegasus Books | date=2026-01-06 | isbn=979-8897100262 }}</ref>
==References== {{Reflist}}
Category:United Kingdom intelligence operations Category:Soviet Union–United Kingdom relations Category:Clandestine operations