Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.

A band of vicious bikers is given the go-ahead to take down one of their own when it’s discovered that the guy is an undercover cop.

Langston and Riley are taken hostage during the aftermath of a shootout in an usually calm Las Vegas community.

A hypnotist bank robber becomes the prime suspect in a murder investigation.

The world of illegal dog fighting is explored by Grissom and the rest of the team when they take on the case of a wealthy socialite who was murdered. Meanwhile,…

The CSI team is lead into the rap music world as they investigate the murders of three rival teen rappers.

The team investigates the death of a psychic who “saw” her own death while performing a reading for two other women. Greg reveals a family secret to Grissom but Grissom…

A man (Alan Rosenberg) whom Catherine flirted with at a bar reappears in her life as a suspect in a murder investigation.

The swing shift has a busy time. Warrick looks into the murder of man by someone who apparently needs a wheelchair. Nick looks into the murder of woman in the…

A teenager is found murdered on a construction site. Grissom, Sarah, and Warrick follow the lead of blood on a hammer. Nick, with an assist from Catherine, tries to find…

The team is introduced to the “”Furry”” side of Vegas when a man is found dead on the side of the road, dressed in a racoon suit. Elsewhere in Vegas,…

Catherine, Nick, and Sara investigate a seemingly months old body found in the mountains. Discovery of the man’s identity lead the team to the world of robot wars. Warrick and…

Grissom investigates the murder of two men that leads him to a new encounter with Lady Heather. Catherine is desperate to find out what lead to the near death of…

Warrick investigates the drive by murder of a young girl in his old neighborhood. The girl’s father is a friend and mentor of Warrick’s as well. Warrick struggles to control…

A middleweight boxing champ dies in the ring after taking a brutal beating from his nemesis, but Grissom finds evidence that points to murder. Outside, in a nearby parking lot,…

Grissom and Sara are called to the crime scene when two murder victims are found hidden in pipes at a construction site in the middle of an alfalfa field, while…

Warrick heads the investigation of the murder of a con artist who turns out to be involved with Brass’ daughter, and the evidence leads Sara on a counterfeit investigation.

Grissom and Catherine investigate the apparent violent death of a woman found in a sandbox. Warrick and Sara are called to a crime scene to investigate a shooting, which initially…

Grissom and crew are called in after high roller Tony Braun, a known drug addict, is found dead in his house by a gardener. Since drug paraphernalia is discovered near…

A woman is abducted from a mall parking garage. She’s raped, beaten, shot and left for dead. Sara collects evidence from her and grows attached to her. Nick and Grissom…