Germaine Scott Grimes

When victims are found dead from arsenic poisoning in Long Beach, California, handwritten death threats and other clues have the BAU looking for an UnSub fascinated with Greek mythology. Meanwhile, Hotch has concerns about participating in Jack's third grade career day. Bruce Baumgartner guest stars.

Gang on gang violence escalates and may be brought on by an ex-Army sniper.

Junkie Jordy Thompkins was shot dead in an alleyway, but the bullet that killed him is missing. (TV-14)

Fear of the unknown propels Jericho into social, psychological and physical mayhem when all communication and power is shut down. The town starts to come apart at the seams as terror, anger and confusion bring out the very worst in some residents. Jake Green, the prodigal son of the town's mayor, becomes a reluctant hero when a school bus crashes as a result of the explosion.

After a shooting occurs at a fashion show and a young woman is killed, Lucifer becomes intrigued by the danger of the situation and begs Chloe to get in on the case. Meanwhile, when Maze admits to Amenadiel that she wants to go back to Hell, he sets his sights on Dr. Linda.