Pilot

When a man is found dead in a bathtub, an apparent case of suicide by a self-inflicted bullet wound to the chest, Gil Grissom suspects a homicide. Nick Stokes and Warrick Brown are competing to solve their 100th case and become a CSI level 3. Nick investigates the case of a man who was picked up by a hooker, drugged and robbed. Warrick and Catherine Willows take on the case of a man who has been shot to death after breaking into the house where he was staying. When Warrick breaks protocol to get a warrant in his case, he is forced to babysit new hire Holly Gribbs. After he leaves her alone at a crime scene to place a bet, she is shot.