CSI: Crime Scene Investigation season 7
season of television series
The seventh season of CSI: Crime Scene Investigation premiered on CBS on September 21, 2006, and ended May 17, 2007. The series stars William Petersen and Marg Helgenberger.
Plot
Catherine heads to a small town in Nevada ("Leaving Las Vegas") as Grissom and Sara continue their affair ("Living Doll"), in the seventh season of CSI. Supervised by Grissom and Willows, the Las Vegas Crime Scene Investigators face both personal and professional challenges as Grissom says goodbye, and new CSI Michael Keppler joins the team ("Sweet Jane"), as they investigate the bizarre, the brutal, and the unprecedented, including a chainsaw massacre ("Toe Tags"), a death at a church ("Double-Cross"), a kidnapping ("Burn Out"), a series of miniature killings ("Post Mortem"), the death of identical twins ("Happenstance"), and the return of a 1970s Mob Boss to Vegas ("Living Legend"). Meanwhile, Catherine faces the loss of her father ("Built to Kill"), Greg is assaulted ("Fannysmackin'"), Keppler faces his past ("Law of Gravity"), and the team attempt to hide their amusement when a man is found trapped in concrete ("Loco Motives").
Cast
Changes
Louise Lombard joins the main cast, and departs at the season's end.
“CSI: Crime Scene Investigation season 7” enters the record as season of television series. Crown Archives preserves that source wording while asking what Crime, Scene and Investigation can confirm, complicate or overturn.
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Attribution, date and provenance are strongest when supported by the original work, a catalogue record and documented transmission. The source revision retrieved here is dated Feb 12, 2026. The linked authority identifier is Q2555107. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2006 and 2007.
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