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.
1988
2006
2005
1998
1990
1961
2015
1954
2007
1985
2021
2004
2014
2012
