Derek Graf

When victims are found in Philadelphia in a similar style to victims of The Replicator, the stalker who has been tracking the BAU's every move, the team thinks this could be the break they need to try and apprehend him.

Ghosts loom large as Jax makes the final moves to fulfill his father’s legacy.

Ben leaps into the body of a Baltimore firefighter in 1974 and is unexpectedly reunited with his time-crossed love, Hannah, and her son, Jeffrey.