A man celebrating his 21st birthday is found dead, but he is soon also found walking in the street covered in their blood and wielding an axe.





A car tampering leads to an explosion that kills a racing legend in Manhattan.





The team explore the dark subculture of vampirism after a woman’s body is found in Central Park with her blood drained.





The quarterback of a women’s football team is found murdered in the locker room with traces of lidocaine in her system.





Mac suddenly becomes unwillingly involved in the domestic life of a long-time friend and associate when he is revealed more than he would have wanted to know and gets to find out more than he could have suspected. At the same time, he struggles to honour the promise to bring the killer of a 18-year-old girl to justice.





The team learns that a man, who had been clean for two years, has been hit by a car and it seems that a 2 million dollar life insurance policy was behind his death. On the other hand, they have a hard time figuring out how a second victim died because of identity theft and if the two deaths are linked.





Responding to call for help from 911, the CSI’s discover the scene of a vacant penthouse apartment. An even more intriguing mystery develops when they find one ambush after another ending with the team uncovering a nearly 100-year-old corpse.





Mac and his team discover the home of the so-called Compass Killer (Skeet Ulrich) and attempt to save the madman’s fourth victim.





The Compass Killer (Skeet Ulrich) claims his third victim when a body plummets from the 59th Street Bridge. A compass pointing east is discovered near the body. Terrence Davis: Nelly.





What looks like a routine traffic accident, is revealed to be a homicide and illegal organ harvesting all tied into one case. Police officers and scientists alike put their efforts together to stop to the crimes and the killers. The race against time and manhunt bring together the three NY, Las Vegas and Miami CSI teams. The trilogy began on CSI: Miami and concludes on CSI: Crime Scene Investigation.