Roberta Valderrama

The BAU travels to Los Angeles to investigate unusual murders throughout the city. Also, more of Prentiss' mysterious past comes to light.

The Jeffersonian team investigates the death of a crime scene cleanup expert whose remains are found mysteriously sealed in an impenetrable pod that washed up on the beach. Meanwhile, Angela and Hodgins learn that Cam is involved in a secret romance.

Shaun is forced to confront Lea about their relationship and determine what he really means to her; the team debates their opinions on plastic surgery; Lim hopes to expose Salen's cover-up over an infant's death.

Abby is at her wits' end after her bipolar mother causes a disturbance in a store, and Dr Corday must give a deposition in a malpractice lawsuit filed by a paralysed former patient.

Callie has a go to phrase she uses when she gets enraged, feels threatened or generally irritated by someone. She calls the offending party a bonebag.