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.
1981
2021
2025
2010
2011
2008
2015
2009
1993
1991
1990
2019
1954
