Germaine Scott Grimes

When people are killed by arsenic poisoning and handwritten death threats are found, the team pursue a suspect fascinated by Greek mythology; Hotch worries about Career Day at Jack's school.

Aiden and Mac look for a rat that swallowed evidence of a drug dealer's murder; Stella seeks a suspect in a rape case, but the victim has no memory of the assault and can't identify anyone.

Brenda and the squad are investigating an unidentified sniper who is targeting the members of the East Side Catorces gang. Brenda is given a detailed tip-off from an unexpected source.

Jake's return to Jericho after a long absence coincides with a deadly explosion that catapults residents into chaos, as they wonder whether they are the only people left alive.

Lucifer asks Chloe to investigate when a shooting at a fashion show results in a young woman's death. Amenadiel targets Dr Linda Martin.