The CSIs make a shocking discovery about their murder victim, while Horatio tries to save his son from Julia’s erratic behavior.

When the body of a local college fraternity student is found gruesomely murdered, Castle has to go undercover as a professor in order to gain access to the victim’s world….

Grissom and Catherine investigate the apparent violent death of a woman found in a sandbox. Warrick and Sara are called to a crime scene to investigate a shooting, which initially…