Kevin Fulton is the only double agent to have infiltrated the upper echelons of the Provisional IRA. No known spy has spent longer within the organization or risen higher in its ranks. In order to maintain his cover within one of the world's most feared terrorist groups, Fulton was forced to take part in some of its crimes. So highly was he thought of by the IRA leaders that they made him a member of their feared internal police--ironically, his job...