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The Creepiest Crime Scene From CSI Season 8

CBS' long-running forensics procedural drama "CSI: Crime Scene Investigation" put a lot of work into grossing out its audience over 15 seasons of television. The series follows a team of crime scene investigators with the Las Vegas Police Department, led for its first nine seasons by investigator Gil Grissom (William Petersen). "CSI" proved incredibly popular with audiences and was named the most-watched drama series in the world six times by the Monte Carlo TV Festival (via Deadline). Although the show was popular with fans, it drew criticism for its frequent use of graphic violence and portrayals of sexually-driven crimes.

CBS eventually expanded the "CSI" universe by creating three spin-off series during the original show's run, set in Miami, New York City, and with the FBI's cyber crimes team, respectively. Peterson and Jorja Fox, who plays Sara Sidle, eventually returned for a sequel series that aired in 2021 called "CSI: Vegas."

Season 8 of "CSI" falls right in the middle of the series' original run and its crime scenes are as creepy as ever. During the season, the "CSI" team confronts serial killers and investigates a movie star's death, but one particular episode investigates a series of bizarre deaths and stands a bit above the rest.

The Theory of Everything creates a wild series of coincidences

The fifteenth episode of "CSI: Crime Scene Investigation" Season 8, "The Theory of Everything," presents a series of deaths that baffle the entire CSI team before they realize that unlikely events set in motion each death. It all starts when Jim Brass (Paul Guilfoyle) and Nick Stokes (George Eads) question a drunk man named Kyle Planck, who was found with a dead deer and crossbow in his truck. Planck blows .28 on a breathalyzer test and attempts to run away during questioning, leading police officers to use a taser gun on the suspect. Instead of subduing him, though, the stun gun sets Planck on fire and kills him.

While investigating this initial death, the CSI team happens upon a series of other mysterious deaths: a frequent visitor to the police station, a homeless man, a married couple named the Martins who die in their sleep, a man named Dave who owns a pest control company, and a group of squirrels that live in the same neighborhood as the Martins and Kyle Planck's ex-wife, Margo Delphi. It turns out that all the deaths are connected in surprising ways, and several of the victims took a drug called thiocyte from Dave, which eerily turns people's blood green in their eventual deaths.

At the end of the episode, Grissom explains that the whole sequence of events can be explained by string theory and that every action a person takes is connected to others, even if they don't realize it.