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.
2004
2007
2017
2002
1994
1996
1926
2018
1998
1990
2003
2012
2021
1993
2001
2008
