The BAU implements an elaborate strategy to try and take down the Dirty Dozen hit men ring, with Reid playing a central role.
The team looks into the strange death of a petty officer who was once part of an undercover arms operation.
A Marine, caught up in gang warfare, is killed in a drive-by shooting. Fearing for the safety of the man's younger brother, the team investigate and uncover evidence of a smuggling operation.
Jane and the CBI team investigate a billionaire playboy after a television news reporter is suffocated when her car plunges down a mountainside.
A woman is murdered during a video chat with her parents, and the only witness to the crime is an agoraphobic neighbour who has PTSD.