The CSIs investigate a crime that has ties to a 25-year-old mob heist; Brass is faced with a decision when his daughter tries to commit suicide.

The team investigates the cyber-related murder of a prominent casino owner’s wife and receive help from the FBI’s Cyber Crime Division.

The CSI team is called in to investigate the stabbing of a couple found at a local motel that is reminiscent of two incidents that occurred in the same room.

The CSI team investigate a murder at a high stakes poker game.

The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.

Following his escape, Nate Haskell, the notorious “Dick & Jane” killer, resurfaces when he e-mails a disturbing video to the father of one of his brides, threatening to take her…

The CSI team investigate a murder at the home of Marta, a “level 5 hoarder” whose home is stacked high with possessions and garbage–and more than one dead body

The CSI team investigates a mad slasher who strikes without leaving a trace — because he wears a form-fitting black latex suit that leaves not a molecule of evidence behind

The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous…

When the CSI team investigates the brutal murder of a family, they trace the killer to the house next door, which might belong to the “Dr. Jekyll” serial killer.

When a band member of Rascal Flatts is electrocuted by his own guitar during a concert, the CSI team investigates if it was a case of foul play.

A rising young star is killed in a wreck and her determined stalker claims credit, but the team finds out there’s more to this tragedy than meets the eye.

The team investigates the murder of Jason, a troubled computer geek working at a low-level casino support industry job who lures a colleague, Paulie, into a dangerous plan to make…

The son of a notorious killer is arrested on suspicion of murder, and the CSI team must overcome their natural prejudices against the boy’s antecedents in order to track the…

When a seasoned sky diver is paralyzed after free falling to earth when his parachute doesn’t deploy, he turns out to be linked to the strange death-by-airborne-toxins of two wealthy…

The first day on the job for Dr. Langston turns from bad to worse when a simple burglary case quickly overlaps with a complicated arson and homicide case.

The CSI team is shocked and saddened when, after working with Dr. Raymond Langston (Fishburne) on the “Dick & Jane” murders, Grissom announces that his time as a CSI has…

When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist (Laurence Fishburne) to help crack the case.

The team has a hard time investigating a shooting in Koreatown when none of the witnesses will talk about the crime.

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

Catherine comforts Warrick when he is accused of murdering a famous Vegas gangster and even he is uncertain of his guilt or innocence.

Sara questions her future as a CSI when a past case comes back to haunt her, the 12 year old Hannah, who has to back up her brother one more…

The CSIs become the focus of a reality TV series, which follows them while they investigate a serial rapist, who recently gained access to a woman’s apartment by posing as…

The CSI’s are called out to investigate the disappearance of a boy whose father died four years ago. Soon a couple is arrested at a convenience store with a boy…

A 28 year-old single mother is found dead. Initially, it’s believed to be a suicide, but Catherine determines she was murdered. Also, Ecklie summons Grissom to refute the testimony of…

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

A serial killer strikes again, and the CSI team tries new technology using evidence from a prior killing. They find a fingerprint belonging to Jesse Acheson, who becomes the prime…

A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg…

Warrick’s appearance at the preliminary hearing on a rape and murder case goes terribly wrong when the only piece of evidence is thrown out on a technicality. Grissom and the…