2012
18 Jan. 2012
Ms. Willows Regrets
The skeletal remains of three people are found in the desert. Initially beetle evidence implies they had been dead at least a week but other factors contradict that. They bodies were identified as a lawyer, that Catherine had a connection with, and his two employees. Catherine had recommended the lawyer to a friend, who was trying to escape her dangerous husband. After analysis the beetles appear to be genetically altered. Catherine fears her friend could be dead until she makes contact with a location.
25 Jan. 2012
Willows in the Wind
Catherine goes into hiding with D.B. after Mark Gabriel's hitmen try to kill her, but they soon come to the realization that Gabriel himself may not be calling the shots.
8 Feb. 2012
Tressed to Kill
When a "hair stalker" escalates to murder, CSI turns to his "muse" to identify a suspect before he claims his next victim.
15 Feb. 2012
Seeing Red
D.B. turns to a "blood whisperer" from his past to help solve a crime involving a gunshot victim who has lost his short-term memory.
22 Feb. 2012
Stealing Home
Three dysfunctional siblings fight over ownership of their stolen house, which contains a lot of secrets--and dead bodies.
29 Feb. 2012
CSI Unplugged
The team works against the clock to find a kidnapped boy--which becomes even more difficult after when a blackout shuts down the entire city.
14 Mar. 2012
Trends with Benefits
The team discovers that a WLVU student notorious for his gossip video blog was killed because he was about to expose a major campus scandal.
21 Mar. 2012
Malice in Wonderland
While the team tries to figure out a team of wedding bandits' next target before they strike again, Morgan pretends to be David's girlfriend to impress his mother.
4 Apr. 2012
Split Decisions
The task of figuring out who shot and killed a pediatrician in a casino becomes more difficult when the team discovers that the killer is one of three identical triplets.
11 Apr. 2012
Altered Stakes
A killer is about to go free because of a dirty cop, so the team tries to connect him to an earlier crime to keep him in jail.
2 May 2012
Dune and Gloom
A vehicle explodes during an off-road race, and the team discovers that it may have been connected to a plot to kill an oil executive.
9 May 2012
Homecoming
As the team investigates a drug-related triple homicide, they uncover a complex web of corruption in the sheriff's department that leads all the way back to a long-forgotten, unlikely source.
26 Sep. 2012
Karma to Burn
While Ecklie fights for his life after his shooting, Russell's patience begins to wear thin as the team tries to get to his kidnapped granddaughter before she is killed.
10 Oct. 2012
Code Blue Plate Special
CSI investigates a massacre at a local diner, and the team suspects that one of the victims' stalkers is the shooter.
17 Oct. 2012
Wild Flowers
A homicide at a rave leads CSI to a gruesome discovery involving two badly abused sisters.
24 Oct. 2012
It Was a Very Good Year
A female acquaintance of Greg is killed, and it appears to be related to an old Vegas legend about a mobster who murdered a musician back in the 1960s.
31 Oct. 2012
Play Dead
Nick searches for a cop killer with the help of the victim's canine partner, and the team tries to figure out who shot and killed a divorce lawyer.
7 Nov. 2012
Pick and Roll
The coach of WLVU's basketball team is murdered, and the case turns out to have multiple connections to DB's son Charlie.
14 Nov. 2012
Fallen Angels
A reverend is found dead on former CSI detective Warrick Brown's grave, and the team discovers several connections between the case and Brown and his family.
21 Nov. 2012
CSI on Fire
A mass gravesite in the desert has an unlikely connection to an accused serial killer in Seattle from detective Findlay's past, but how far will she go to bring him to justice?
28 Nov. 2012
Strip Maul
While working a foot patrol on the strip, the CSIs stumble on a murder victim, and a number of their suspects are already in police police custody on lesser charges.
12 Dec. 2012
Risky Business Class
A plane crashes in a park off the strip, and the team discovers that the plane was sabotaged while it was still on the ground.