Season 7 Episode 12

­The BAU team searches for a serial rapist in Houston known as “The Piano Man” who has resurfaced and is assaulting his previous victims. Also, Prentiss tries to come to terms with her trauma from last year and with rejoining the team, on the 150th episo
Guest Star Jay Karnes

1. Guest Star Jay Karnes

Is guest star Jay Karnes the notorious "Piano Man"? Find out in an all new Criminal Minds tonight at 9 p.m. on CBS. Photo courtesy of Greg St. Johns
Guest star Dina Meyer

2. Guest star Dina Meyer

Guest star Dina Meyer plays a victim who takes the law into her own hands in Criminal Minds 7x12, "Unknown Subject." Photo courtesy of Greg St. Johns

3. "Unknown Subject"

Shemar Moore's SSA Derek Morgan delivers unwelcome news in tonight's all new 150th episode of Criminal Minds, "Unknown Subject." Photo courtesy of Greg St. Johns