A series of cryptic messages embedded within t-shirt designs may help Mac figure out who a serial killer's next targets may be. And one of the targets may be a CSI. ...

A hotel concierge falls to her death in the hotel atrium, and a woman says she shot the man who beat her husband to death with a hammer in self-defense. ...

During a Blue Train rave, a young girl dies among party goers when she starts bleeding from her eyes, nose, and mouth. The CSIs believe her to be a victim of a biological ...

The investigation of the death of a professional paintball player is complicated by the discovery of drugs supposedly confiscated in a drug bust conducted by detective Fl ...

Hawkes is identified as the killer in a robbery and shooting, and CSI has to prove that he was framed. It turns out that Shane, the t-shirt killer, choreographed the enti ...

A teenage girl is killed, and the only potential witness is her deaf mother. The case also brings back some haunting memories for Lindsey. Meanwhile, CSI also investigate ...

A competitor is murdered during an idiot run shopping cart race in Central Park, and CSI suspects that a man found dead in a brownstone may have been murdered by a missin ...

The death of a drag queen appears to be related to an old rape case involving a congressman, and two of the suspects in a second murder case are discovered to have used a ...

A personal shoplifter supposedly turns murderer when a loss-prevention officer gets to close to her operation. Mac and Hawkes take a closer look at the death of a college ...

A woman is found dead in a bathtub and a bullet is found, but she has no entry or exit wounds. And Stella possibly gets infected with HIV-positive blood while investigati ...

A conman is shot to death, and detectives discover a large Noah's Ark behind his house. Meanwhile, an anti-cigarette protester is killed when somebody sets his cigarette ...

A famous magician plans three death-defying stunts on three consecutive nights. But on the first two nights, two of his assistants die in ways that eerily resemble his st ...

At a French Revolution themed fund raiser at the UN, specifically at the French consulate, Mac, Stella and Hawkes find themselves hurdling diplomatic road blocks investig ...

Two murder victims actually turn out to be terminally-ill patients who wanted to go out in style, and a third victim who later comes back to life turns out to be part of ...

A body of a woman, Emma, in a black party dress is found in a dumpster. Her head is wrapped in packing tape. When the ME examines the body, he finds that her eye lids hav ...

A man dressed like an angel dies while trying to make a daring jump. But it seems one of his equipment was tampered with. Philadelphia homicide detective Scotty Valens ar ...

An Irish gang sets an elaborate plot to reclaim drugs being held at CSI after a bust, but Mac, Stella and Hawkes are forced to take them on. Meanwhile, Danny and Adam are ...