HomeKrimidexOperation StakeknifeConceptOperation StakeknifeDefinitionRelated articlesStakeknife: The IRA's Most Lethal Double AgentFreddie Scappaticci, codenamed Stakeknife, spent decades as a senior member of the IRA's Internal Security Unit while secretly working for British military intelligence. When his identity was exposed in 2003, it sparked one of the most controversial intelligence operations of the Troubles.
