Episode 303, "Provenance" Tonight 1|12c AM
SEASON 3, EPISODE 312 - When a teenage girl is found almost beaten to death, Don and his team discover that she escaped from a polygamous cult headed by a fundamentalist leader who is on the run from the FBI. They discover that the girl's mother, who is also a religious zealot, "gave" her daughter to the leader. Meanwhile, Charlie and Amita try to decipher a chart that was found at the leader's last known location, hoping it will lead them to him. Teri Polo ("Meet the Parents") guest stars as Rachel Willons, an agent from the California Bureau of Investigation who has been tracking the cult leader for over a decade.