Criminal Minds (2005)

S17E07 Piranha

The BAU focuses on a cruel UnSub operating in D.C. who has a particularly disturbing method of killing. Prentiss and Rossi explore the BAU's past to uncover ties to Gold Star. In the process, Prentiss contacts someone from Rossi's history for assistance. Meanwhile, Voit enlists the help of his lawyer to get in touch with Damien.