FBI True season 4 episode 6
Episode title: Hunting GRAYSUIT: America's Deadly Traitor (2)
Eric O'Neill, an FBI investigative specialist with no undercover training, manages to win the trust of suspected spy, Robert Hanssen — or so he thinks.
Eric O'Neill, an FBI investigative specialist with no undercover training, manages to win the trust of suspected spy, Robert Hanssen — or so he thinks.
