The identity of Sherlock's mother is revealed and his strained relationship with Morland reaches a breaking point. Meanwhile, an elderly woman emerges as the prime suspect in the murders of three gang members.

A legless body is found in the New Mexico desert and a second unwilling amputee shows up at a hospital. The team conducts a search to find the amateur surgeon before he can remove a limb from another unsuspecting victim. Meanwhile, Reid makes secret phone (more…)A legless body is found in the New Mexico desert and a second unwilling amputee shows up at a hospital. The team conducts a search to find the amateur surgeon before he can remove a limb from another unsuspecting victim. Meanwhile, Reid makes secret phone calls to a mystery woman.

A coffee shop in Indianapolis is blown up and a hero emerges from the destruction. The BAU investigates and tries to protect the man and his family, while they search for the culprit and try to prevent any further incidents.