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.

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

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.