When a man known only as "The Digger" opens fire in a train station many are left dead. The only clue the FBI has is a hand written letter with demands on it. Agent Margurete needs help analyzing it and the best is retired specialist Kincaid.
1993
2009
2010
2018
1987
1989
1912
1922
1967
2017
1991
2000
2005
