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.
2011
1937
2014
1928
2008
2021
2012
1991
2016
2018
2009
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2007
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1951
