Larry Mitchell

When a major event cripples Las Vegas, Gil Grissom, Catherine Willows, and Jim Brass return to help the team; Lady Heather returns.

A routine traffic stop turns into a high-speed chase through the streets of Las Vegas, and when a police officer is killed, the team must evaluate the ballistics evidence to determine whether his death was a result of friendly fire.

A case involving a man's burnt corpse leads Nick and Keppler to uncover a black market for human body parts; the rest of the team investigate the murder of a wealthy married woman in her home.

An up-and-coming movie star is found dead in his hotel room after a night of partying with his groupies.

As the team investigates two deaths linked to the same suspect, the evidence starts to overlap, bringing the team closer to the murderer.

The CSI team suspects that a police officer killed in the line of duty was shot by one of his fellow officers.