Chad Williams

Grissom, Catherine, and Nick investigate the death of a runner during a competition. Meanwhile, Sara and Warrick investigate the death of a couple in a hotel room, initially thought to be a murder-suicide.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

Stella and Danny investigate when a jewellery designer is found dead, wearing the eight million dollar bra he created, and investigate the model he had shot and her bodyguard. Aiden begins to take the rape case she has been working on a little too personally, and is determined to stop the man before he can rape again. Hawkes gets to go into the field for the first time as he assists Mac in investigating the death of a man who liked to climb skyscrapers.

When a U.S. Marine is killed in Central Park during Fleet Week, a New York annual tradition showcasing military pride and achievement, Mac personally tracks down the killer and discovers he may be a civilian who isn't a fan of "the few and the proud." The recovery and identity of a body murdered and then burned beyond recognition in a car fire turns out to be a former CSI, Aiden.