One of Ray's former students is murdered, and the investigation plunges the team into the mysterious world of Mexican... Full summary

Ray and Riley are taken hostage while investigating a shootout in a normally calm Las Vegas neighborhood. They are... Full summary

Nick probes the murder of a troubled teen girl (Taylor Swift) at a seedy motel run by her parents, where two previous... Full summary

Three seemingly unrelated murders in separate locations are investigated, but the CSIs discover a common link. First,... Full summary

Ray testifies at the murder trial of a respected congressman who is suspected of gunning down his lover, an exotic... Full summary

The manager of a fast-food restaurant is found dead in the establishment's kitchen, where he was apparently beaten.... Full summary

An undercover FBI agent is beaten to death and mutilated in a gas-station restroom, and the investigation reveals that... Full summary

Langston experiences his first day on the job as a CSI when he investigates what appears to be a simple burglary.... Full summary

Grissom works with Dr. Raymond Langston (Laurence Fishburne), a criminal pathologist, to solve a murder and a... Full summary

Grissom announces he is leaving CSI and it stuns his staff, but a murder that may be linked to an infamous serial... Full summary