Eric Ramey

Meredith finally tells Derek about her pregnancy and miscarriage; during a surgery, Cristina experiences PTSD; Bailey won't let Alex operate until he has the bullet in his chest removed.

The BAU travels to Los Angeles to investigate unusual murders throughout the city. More of Prentiss' mysterious past comes to light.

After an ambush changes the course of their investigation, the NCIS team has to quickly find answers, and one team member has flashbacks back to their very first NCIS assignment.

The BAU track down a killer who appears to be posing as an FBI agent in order to gain access to victims' homes.

The BAU gets a tip from a professor that there has been a concerning number of deaths by overdose in patients just coming out of rehab.