Larry Mitchell

When actionable evidence finally surfaces against Sean O'Neal, Upton and the team work relentlessly to build a case in secret; they discover Sean is more elusive and dangerous than anticipated.

When several dead bodies are found in the house of a compulsive hoarder, the CSIs must determine whether she or a member of her family might be a serial killer.

A bomb rips through the funeral of Franklin Clarke, the young cop killed by Jekyll before he was captured. As the CSIs hunt the culprit, Langston's life hangs in the balance and Nick struggles with his feelings of guilt over Franklin's death.

A student is killed by a life-sized animatronic T-Rex. Elsewhere, the father of a missing teenager is murdered, but the investigation turns up new clues about his daughter's whereabouts.

When a well-respected philanthropist is savagely attacked in her bed, the CSI team search her house and discover that her attacker has been watching her for some time - from within her house.

The shady CEO of an anti identity-theft company becomes a murder suspect when his credit cards are found among the remains of a shredded human body.