In the long-running procedural's 15th season, the team faces a slew of challenges, including quarantines, car bombs and a jailhouse murder.
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Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.
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The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.
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Sara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen.
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A chemistry teacher's science experiment goes horribly wrong.
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Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.
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Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.
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The CSI team take a look into the death of a woman who has been drinking and taking drugs in a pool at a rehab facility.
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The CSI team find themselves taking a look into the kinky world of “rubber dolls” as they investigate the murder of a man stabbed in an alley.
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The CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers.
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The CSI team investigates the bizarre death of a man who was killed not once, but twice.
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The CSIs' investigation of the victim of an apparent hit and run leads them into the world of aeronautics.
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The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent.
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The CSI team continues their investigation into the kidnappings and murders of young women when they learn their main suspect, Jared Briscoe, is released from jail due to lack of evidence.
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The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.
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The CSI team investigates the murder of a young victim dressed as a superhero.
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The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.
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The CSI team investigates a murder with ties to two teenaged kidnapped girls.
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The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision that will affect the entire team moving forward.
