CSI: Crime Scene Investigation (season 7) 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"). Louise Lombard joins the main cast, and departs at the season's end. <onlyinclude></onlyinclude> CSI: Crime Scene Investigation (season 7) The seventh
Pilot (CSI: Crime Scene Investigation) introduces herself to Gil Grissom, who is the assistant supervisor of the graveyard shift. Grissom then asks her for a pint of blood and after that, Gribbs officially begins her shift. Nick Stokes and Warrick Brown both realize that they only need to solve one more crime to reach the level of CSI 3. The two eventually agree on a bet of 20 dollars that one of them will be promoted to CSI Level 3 by the end of the night. Catherine Willows jumps out of a car, saying goodbye to her daughter and her sister before rushing into the