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|7x01 - Built To Kill (Part 1):|
|When an aspiring dancer is murdered backstage during Cirque du Soleil's KA show, the CSIs investigate what goes on behind-the-scenes to uncover the truth.
The CSIs investigate first-hand the behind-the-scenes action of Cirque du Soleil in order to determine what may have contributed to the young dancer's untimely death. Meanwhile, after Catherine and Nick visit a nightclub where John Mayer is performing, Catherine finds herself in jeopardy and must act as her own CSI in order to determine who [...] (More)|
|7x02 - Built To Kill (Part 2):|
|Grissom is intrigued when he finds an exact miniature replica of a crime scene involving a famous ex-rock star.
Grissom is fascinated when every detail of the miniature is identical to that of the real crime scene, and he goes about trying to solve the case using the clues provided. Meanwhile, Catherine again finds herself -- and someone close to her -- in danger, and begins to suspect who may be responsible.|
|7x03 - Toe Tags:|
|The deceased victims in the CSI coroner's office give voice to their own murder investigations for the first time.
While Grissom leads a group of college students on a tour of CSI, the dead "speak" while the CSIs investigate, each narrating their own case: a dead casino security guard whose luck ran out, a wife who "fell" off a cliff while hiking with her husband, a war veteran murdered on his first day back from Iraq, and two neighbors whose encounter with a chainsaw ends badly.|
|7x04 - Fannysmackin':|
|The CSI team investigates a series of brutal tourist beatings that take place within the span of a few hours throughout the Las Vegas area.
When an innocent man is brutally attacked and beaten to death by what looks like a monster in a black cape, the CSIs are called to investigate -- only to learn that a similar attack took place moments later. As the crime spree continues, the team follows the trail of evidence until Greg interrupts a beating in action and must make a difficult decision that [...] (More)|
|7x05 - Double-Cross:|
|Grissom and his team investigate the case of a woman found dead in a parish church.
Following the evidence, the team uncovers a bizarre love triangle dating all the way back to high school that could reveal who is responsible for the woman's murder.|
|7x06 - Burn Out:|
|When two young boys are reported missing, Grissom goes head to head with a neighborhood pedophile in order to find them.
When two young boys are reported missing, a known neighborhood sex offender is the primary suspect. In an attempt to extract his confession, Grissom asks for the pedophile's help in catching the boys' abductor. However, the case turns out to be much more complicated than Grissom or the rest of the CSI team ever expected.|
|7x07 - Post Mortem:|
|When an elderly woman is murdered, the CSIs look to the neighbor and nephew as possible suspects. Mid-investigation, Grissom receives an exact miniature replica of the current crime scene, changing his thinking on the crime. Meanwhile, Greg faces an angry courtroom when he attends the hearing to ascertain his culpability in the death of the teenager he accidentally killed while defending himself against a mob.|
|7x08 - Happenstance:|
|When identical twins are found dead on the same night, the CSI team investigates whether or not the two murders are connected.
The evidence in both cases does not immediately prove a connection between the two deaths. However, as the CSIs dig deeper into the histories of the women, a surprising twist takes the investigation in a new direction.|
|7x09 - Living Legend:|
|Grissom and his team investigate a string of murders in Las Vegas that may be tied to an infamous mob boss from the 1970s who disappeared many years ago.
After the mob boss's Cadillac mysteriously resurfaces in a Las Vegas lake and a photo turns up of the murder victims posing with him in the 1970s, the CSIs begin to investigate whether or not the notorious gangster, whose disappearance remains a mystery, might somehow be connected to the current killing spree in Las Vegas.|
|7x10 - Loco Motives:|
|A case involving a man killed at a poultry manufacturing plant leads the CSI team closer to discovering the identity of the serial killer who leaves miniature replicas of his crime scenes.
When the CSIs process clues at the poultry manufacturing plant, the evidence leads them to the home of a man who collects miniature trains and other miniature paraphernalia. Grissom and his team rush to link him to the other miniature killings, but a twist in the case could prevent them from gathering enough [...] (More)|
|7x11 - Leaving Las Vegas:|
|Catherine's testimony in court is not enough to convict a killer suspected of murdering his own mother. Novak (Rosenberg), with whom Catherine had a brief romantic encounter, is the lawyer who represents the killer and secures his freedom. As a result, Catherine and Nick leave Las Vegas in order to tie the killer to another crime and put him behind bars for good. Meanwhile, Grissom says goodbye to his colleagues and heads east for a teaching sabbatical.|
|7x12 - Sweet Jane:|
|As Catherine and Keppler begin to investigate the murder of a teen-aged "Jane Doe," both agree that the killer, who was meticulous in removing evidence from the body and its surrounding area, is likely a repeat offender. Soon they and the rest of the CSI team uncover three similar unsolved cases that suggest the serial killer has been active since 1975.|
|7x13 - Redrum:|
|Catherine must deceive her teammates when she agrees to Keppler's covert and controversial plan to catch the killer of a popular politician.
The leading suspect for the high-profile murder of anti-drug crusading assemblyman Danilo Zamesca is Thomas Simon, the west coast's biggest drug supplier, whose trail quickly grows cold. Catherine agrees to Keppler's unconventional method to find Simon, despite her reservations about lying to her longtime CSI teammates, who soon sense that something is awry. [...] (More)|
|7x14 - Meet Market:|
|Nick and Keppler's case leads them to uncover a black market for human body parts while the rest of the CSI team investigates the case of a wealthy married woman who was found murdered in her own home.
A case involving a man's torched corpse, whose bones and tissues had been harvested, leads Nick and Keppler into the disturbing world of illegally secured and sold human body parts. Meanwhile, Warrick and Sara learn more than they care for about the workings of a new-concept "host club" for women, [...] (More)|
|7x15 - Law of Gravity:|
|Grissom returns from his teaching sabbatical as Keppler tries to conceal his ties to a double murder case that he and his CSI colleagues are investigating.
Keppler desperately wants to keep his dark past hidden from his new CSI colleagues. As a result, he fails to disclose that he not only knows Frank McCarty (Cariou), the retired police officer who reportedly found the remains of his cop friend and a prostitute in the friend's Las Vegas hotel room, but that Frank may have had a role in the [...] (More)|
|7x16 - Monster in the Box:|
|The miniature killer reveals he/she is still at large by sending Grissom an especially chilling miniature that forewarns a woman and her cat are scheduled to die the next day.
With potentially less than a day to attempt to prevent the next murders, the CSI team must quickly shake off their shock that the true miniature killer is not the late Ernie Edward Dell, who committed suicide after confessing to the slayings. Grissom ponders why the killer deviated from his/her eerie tradition of leaving [...] (More)|
|7x17 - Fallen Idols:|
|Grissom and his team are discouraged when they find a pool of blood as they begin investigating the disappearance of a high school basketball star and his cheerleader girlfriend.
Grissom's quip that the young lovers may have run off to Mexico is soon quashed by the discovery of drops of blood by Ryan's (Lanter) vacant parking spot at the school. After finding a letterman jacket and cheerleading sweater in the field house and a pool of Ryan's blood nearby, the team tries to determine what went [...] (More)|
|7x18 - Empty Eyes:|
|While processing the house where several showgirls were murdered, Sara is haunted by the terrified eyes and cryptic dying words of the sixth victim she discovers.|
|7x19 - Big Shots:|
|Greg is forced to again contend with the hostile mother and brother of the hoodlum he killed in self-defense several months ago when the CSI team discovers that the brother is involved in a new murder case.|
|7x20 - Lab Rats:|
|While Grissom and the rest of the CSIs are out investigating new cases, Hodges leads Archie, Henry, Mandy and Wendy to believe that Grissom wants them to secretly band together that evening in an attempt to solve the four miniature killer cases.|
|7x21 - Ending Happy:|
|In their attempt to identify the murderer of a has-been boxer who lived among a group of prostitutes who detested him, the CSIs must establish which of several life-threatening acts against him in one night actually killed him.|
|7x22 - Leapin' Lizards:|
|The CSIs discover that several suspects in a woman's murder are members of a bizarre UFO club who believe that shape-shifting reptile-like aliens have mated with humans for centuries as a means of conquering the human race.|
|7x23 - The Good, the Bad & the Dominatrix:|
|Sara's uneasy about Grissom being reunited with Lady Heather during the CSI's investigation of her attempted murder by a client she refuses to name|
|7x24 - Living Doll:|
|As the CSI team comes closer than ever to identifying the miniature killer, Sara mysteriously goes missing, forcing her relationship with Grissom out into the open.|
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