S9, E7: The BAU is out on the hunt for a Boston killer who keeps a memento from each victim. Meanwhile, Rossi tries to stop his favourite bar from closing down.

Starring Jack Plotnick, Tara Buck, Julianna Guill
S9, E7: The BAU is out on the hunt for a Boston killer who keeps a memento from each victim. Meanwhile, Rossi tries to stop his favourite bar from closing down.