When a conspiracy-obsessed woman is found dead, the CSIs investigate and discover that some of her theories may have had some truth to them. Written by CBS Publicity ...

When a serial rapist is found murdered, restrained in the same manner as his victims, the CSIs weigh a feeling of justice against their sense of duty to pursue the killer ...

When a tractor-trailer carrying exclusive party guests mysteriously ends up at the bottom of the Hudson River, the CSIs must solve the mystery from the soggy remains. Wri ...

The team is investigating the death of a Spanish man who was living in New York. A Spanish criminalist joins them in the investigation. Mac later learns that the criminal ...

The team is investigating a murder which was committed by someone dressed up like a clown. They start by checking out who the clown is and when they do. They go there and ...

When the CSIs experience eerie occurrences after finding a female victim who appears to have been literally scared to death, the case takes another strange turn when Mac ...

When the leader of a powerful New York gang, El Puño, is found murdered, the CSIs must find the killer before a street war with a rival gang breaks out. Mac asks the co- ...

When a married couple is found beaten in their home, a mother identifies her son as the killer and the CSIs believe they have their suspect, but all is not what it seems ...

The CSIs follow a trail left by Shane Casey and realize that he is targeting Danny, who is vacationing out of town with Lindsay and their daughter. Written by CBS Publici ...

While Mac recuperates at home after being injured, he witnesses a mysterious briefcase exchange that leads to a murder, and unexpectedly brings him in contact with his fo ...

Dr. Hawkes is trapped in a cell block during a security breach orchestrated by a familiar face from CSI's past, and the only person who can help him get to safety is the ...

On the night of a young man's 21st birthday, his friends take him out to celebrate, but when they turn up dead and he's found walking in the middle of the street covered ...

When a young woman's body is found in Central Park, drained of blood and missing part of her ear, the CSIs jump start an investigation that takes them into the dark and m ...

When a beautiful star quarterback of the Lingerie Football League is found murdered in the locker room hot tub with traces of lidocaine in her system, the CSIs are called ...

A murder trial is delayed and the suspect is released on bail after Stella discovers that the district attorney in the case tampered with the crime scene for personal gai ...

CSI uncovers a plot to collect millions of dollars in life insurance after a reformed homeless man is found dead in an alley. ...

Mummified remains are found in a booby-trapped Manhattan penthouse that has been closed off for more than 80 years, and Mac and Stella race against time to find the peopl ...

In the culmination of a multi-episode mystery, Mac and his team uncover the dark lair of a murderous madman, the Compass Killer. But as they race to save his fourth victi ...

When a software company executive bleeds to death on a Manhattan street, the CSIs must delve into the wet and messy world of food sploshing parties - where groups of peop ...

A woman is cleared of murdering her cheating husband by DNA, despite the fact she confessed to being the murderer. As the team search for answers, the phantom murderess m ...

Mac and the crime lab deal with a killer who is using compasses to leave clues to his crimes. ...

The case of a cyber killer, who appears to be targeting medical health-care workers, turns personal when the suspect invokes the name of Mac's father who had died nearly ...

A group of violent kidnappers capture Robert Dunbrook's son just before he is scheduled to testify to a grand jury against his father, and the CSI team is rocked by a tra ...

Stella discovers that her old friend, Professor Papakota, may be connected to the Greek antiquities smuggling ring and travels to Greece to investigate. ...

Talmadge Neville, a man who was responsible for the accidental death of a young girl a few years ago was released from prison. The mother of the girl is not happy about i ...

A murder leads CSI to a group of white supremacists, the discovery of precious items stolen from Holocaust survivors, and perhaps the uncovering of a former Nazi guard. ...

A man is killed when he falls out a window in media mogul Robert Dunbrook's building, but did Dunbrook throw him? During the investigation, Mac discovers that the case is ...

A murder victim turns out to be a violent stalker, and the killer may be one of his stalking victims who learned to cover her tracks by attending one of Bonasera's colleg ...

CSI tries to figure who is responsible for the death of the chief of a Native American tribe who were some of the original inhabitants of Manhattan. ...

The lab makes a grisly discovery while investigating the death of a former Medical Examiner's wife, and Stella sets up a trap for the Greek coin thieves. ...

An environmental terrorist group bombs the home of an electronics recycler, and his daughter is killed--but the daughter is part of the terrorist group. Meanwhile, Danny ...

The lab tackles a case involving a murdered Internet entrepreneur whose body has been picked apart by vultures. ...