Criminal Minds (2005)

S02E23 No Way Out: The Evilution of Frank (2)

After the infamous serial killer Frank resurfaces and takes the life of Gideon's girlfriend, Gideon sets off on a mission to track him down, leaving the team in the dark about his whereabouts. Meanwhile, the BAU is tasked with creating profiles for both Gideon and Frank in order to locate them both before it's too late.