The Informer

Sean O'Callaghan is the former head of the IRA's Southern Command, and one of the most senior figures to defect from its ranks. At considerable risk to himself,... » 

Sean O'Callaghan is the former head of the IRA's Southern Command, and one of the most senior figures to defect from its ranks. At considerable risk to himself, he has done more than any individual to unlock the code of silence that governs the IRA's members. This is his story. «