Joseph Patrick Kelly

Grissom and Sara investigate when a man's body, which has been doused with lye, is found buried in a park.

Grissom and Catherine investigate the stabbing death of an 80-year-old woman who lived in a run-down house full of cats.

On the day Grissom has to evaluate his team, a head is found in the trunk of a car. While Gil and Catherine work on the head, Sara and Nick investigate a body in the desert that's missing its head.

Two teenage girls run over a deaf man with their car, but they didn't kill him - he was already dead.

Grissom, Nick, and Warrick take the case of a jogger who was killed by a wild animal in the park. It gets complicated when they discover that the jogger had his liver removed after he was killed.

Set in the gritty, neon-splashed streets of Las Vegas, CSI tracks the action with an elite team of forensic investigators. With its groundbreaking mix of science and police procedural, CSI reinvented the TV crime genre.