Airdate: 27 April 2102, Watch  In Plain Sight “Sacrificial Lam” Season 5, Episode 7 follows Mary Shannon, a U.S. Marshal working in the highly secretive branch of the witness protection program (WITSEC) who relocates Federal Witnesses, most of whom fall into three categories: career criminals, whistle-blowers or innocents who had the misfortune of witnessing a [...]