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.
1986
2014
2020
1998
2007
2004
1989
1975
2009
2002
2000
1999
1997
2005
