Ray Stoney

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.

The body of a petty officer is found on a golf course, and McGee tries to locate a key witness with the victim's ham radio; Palmer looks to his co-workers for donations to a charity building playgrounds for children.

One of the diverse recruits, the best and the brightest, who arrives at the FBI Quantico base for training is suspected of masterminding a terrorist attack.

One of three Marine veterans targeted by a bomber is killed by an exploding cell phone. The OSP team's first priority is locating the man's former unit to prevent further explosions.

Jane and Maura's friendship hits a speed bump after Maura's biological father, gangster Paddy Doyle, is shot.

Rush examines the 1968 murder of an inmate, which occurred immediately after singer Johnny Cash's Folsom Prison concert was broadcast around the country to millions of inmates.