Joseph Patrick Kelly

When two young boys are reported missing, a known neighborhood sex offender is the primary suspect.

When the lead suspects in Grissom's serial killer case are murdered, Grissom suspects an inside job.

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.

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.

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

Our forensic team is back together again, with Grissom and Catherine leading in three fantastic forensic mysteries.