The'mole' infiltrated the IRA who caused more deaths than he saved. Freddie Scappaticci would have been enough for a John le Carré novel.
Born in Belfast in 1946, the son of Italian immigrants, he stood out in his adolescence as... a footballer. He ended up working in a brick factory and ended up throwing them at the police as soon as the conflict in Northern Ireland started. He was arrested along with dozens of others suspected of causing disturbances in the so-called Operation Demetrius.