The forensic teams come back together under the leadership of Grissom and Catherine just in time to tackle three complex murder cases.
The forensic teams are called to the hotel suite of a rising young movie star found dead in a compromising position.
The CSI team investigates a wife's suspicious death on a flight of stairs.
When one cult member turns up missing at a mass suicide crime scene, Grissom and his team investigate whether the small cult really committed suicide or were murdered.
The CSI team suspects an entire family has been murdered, but cannot prove it until they find the victims' bodies.
The CSIs uncover evidence that leads them to question whether or not a young mother's death was really a suicide.
When a police officer is killed in the line of duty, the CSIs must determine whether or not he was a victim of friendly fire.
The CSIs sift through the overwhelming evidence from a shootout with drug dealers in order to determine who is responsible for the death of a police officer killed during the incident.
The CSIs investigate the unusual death of a man found dead in a dumpster on Thanksgiving night.
The lack of evidence in a reported kidnapping case leads Grissom and his team to wonder if the case is fabricated.
Grissom and his team uncover unusual evidence in the murder of a man who looked like a werewolf.
The CSIs investigate the murder of a young man found dead in his girlfriend's garage after a night of taking drugs and partying.
Beautiful ex-showgirl from old world Las Vegas hosts a party that ends in murder.
In a CSI first, a crime will be shown from the killer's perspective.
The CSIs investigate the unusual death of a young woman whose body appears to have been used for scientific experimentation.
The CSI team explores the case of a man found stuffed down the chimney of a previous suspect's home. As they progress into the case, they encounter surprises and a few twists.
Reality show chooses Grissom and his CSI team as their subjects while they investigate smoke bombs being set off at various locations to simulate a building fire allowing the perp to commit his crime.
In the midst of a high profile murder trial, the CSIs are caught off guard when a witness's shocking confession casts doubt on the savage murder of a teenage girl.
Grissom and his team investigate the case of a psychic who envisioned her own death.
Grissom and his team investigate the murders of three teenagers involved in a rap music rivalry.
Solving the case of a wealthy defense attorney killed at her son's wedding is compromised when all of the evidence from the case is stolen along with Nick's car.
The CSIs must look beneath the surface to uncover the true story behind the death of a high-stakes gambler and ladies man.
Man accused of murdering his wife and co-workers leads the CSIs on a wild chase through a busy Vegas casino.
The CSI team holds vigil at the bedside of one of their teammates who is shot in the line of duty and may not survive.
