The final report of Operation Kenova says the security service had "greater knowledge" of Stakeknife than it had first stated ...

A top British spy at the heart of the IRA was flown out of Northern Ireland on holiday on a military aircraft by his army ...

The U.K.'s security services protected a top spy planted within the Irish Republican Army when they knew he was wanted by ...

UK security services protected the spy – despite his links to more than a dozen killings, abductions and torture during the ...

Relations privately co-operated with investigation into British army’s top Republican spy, code-named Stakeknife ...

The final report of a seven-year investigation, named Operation Kenova, suggests there is a case to reveal the identity of ...

One man is widely suspected of working as an IRA enforcer and a British informer at the same time. But it’s risky for the ...

Freddie Scappaticci was linked to 14 murders and 15 abductions; he worked in a ruthless IRA unit known as the "nutting squad".

MI5 has also apologised after handing over previously undisclosed material on the agent too late for it to be included in ...

Nine-year investigation paints highly critical picture of agency’s handling of double agent ...

The Treasury has announced the freezing of assets associated with the New IRA and a Northern Ireland man it believes to be involved in terrorist activity. The Government said the new designations send ...