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 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 investigate the murder of a man whose daughter was killed five years ago, and the bizarre death of a young man who appears to have been killed by a T-Rex.
The sky is falling or at least people are. The CSI's try to figure out if it was murder or sucide after a man is dead after falling from a hotel. Across town, a elderly woman falls through her table and her husband dead in the shower. The only two witnesses to the crime are an incooperative cat and a parrot who pleads the fifth.
The CSIs question the validity of an online picture depicting a murdered call girl until they find the same woman strangled to death in the dumpster that appears in the photo.
Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.
While investigating the murder of a convicted ex-cop, the CSIs stumble upon a list in his prison cell with names of several individuals he believed might have been his wife's true killer.
A string of deaths, including a gamer found dead on his couch and a newly divorced man at the bottom of a pool, instigate a bet among the CSIs as to whether they've "hit for the cycle" - a homicide, a suicide, an accidental and a natural death all in one night
Langston and Sara turn to Lady Heather for help in tracking down the culprit responsible for injuring a woman before she was seemingly mauled to death by a mountain lion. Meanwhile, Nick and Dr. Robbins manage to rescue the unborn baby of a teenage girl who appears to have committed suicide
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 life.
Langston becomes more determined than ever to track down Nate Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria.
After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.