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.
2008
1989
2009
2007
2013
2017
2018
1982
1983
1998
1990
2001
2005
2003