Mark Daneri

When the kill count of a mass-murdering arsonist active in a small town reaches 31, the BAU are called in.

Grissom and Catherine investigate when a woman's severed leg is discovered in a lake. They suspect both the husband and boyfriend of the woman's murder. Meanwhile, Sara and Nick try to uncover the real cause of a student's death, and Warrick realises that he owes Judge Cohen - big time.

Daisy battles Ghost Rider but at a terrible cost, Coulson meets the new Director but his bold agenda surprises everyone.