To appease his worried mother Sheldon employs the techniques of a self-help book to try and make a friend.
A chance encounter with a military colonel (guest star Aaron Raymond) leads Jane to believe the officer is hiding something, prompting him to dig into the closed murder case of the man's wife.
The BAU goes to Guantanamo Bay to interrogate the leader of a terrorist sleeper-cell to prevent a national disaster.
Tension mounts as the club makes a bold move to finally get out of guns.
The team reopens the 1953 murder case of a 19-year-old aspiring rock 'n' roller when new evidence suggests he was not killed where his body was found.