Will Schaub

A teenager is found murdered on a construction site. Grissom, Sara, and Warrick follow the lead of blood on a hammer. Nick, with an assist from Catherine, tries to find how a woman was killed by a gunshot on her lawn when no one nearby had a gun.

Mac prosecutes a SEAL jumpmaster that is charged with causing the drowning death of a trainee during a parachute mishap.

Harm and Mac travel to a terrorist holding facility known as "Camp Delta" in Guantanamo Bay, Cuba, where three MPs are on trial for abusing a prisoner who was an Army Corporal working undercover as a detainee.

After being infected with a hallucinogen, Sydney starts to lose touch with reality. Vaughn and Jack must rush to find an antidote before Sydney puts her life - and others next to her - into danger.

Cate orders Kerry, Rory, and Jim join the YMCA.