William Charles Mitchell

Carlos and Gaby get temporary custody of baby Lily, Bree's father and stepmother come to town to mediate between Andrew and her, and Susan suddenly finds Karl back in her life.

The parents of a missing college student seek help; David gets help on the Cytron case from an unexpected source; Mellie proves her political prowess.

Catherine and McGarrett go to Afghanistan to help a young boy, whose family saved Catherine years earlier.

When Reid fears his mother has been abducted, he asks the BAU to investigate while he's stuck in prison.

The team investigates when a judge is assassinated; Jo runs into a criminal from her past.

When a Marine is murdered at a charitable event, an irritable war veteran must help solve the crime; McGee and Bishop investigate an intriguing rumor about Quinn and Torres.