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
CSI: Crime Scene Investigation (season 3) who joined the recurring cast in season one, become main cast members this season. <onlyinclude> </onlyinclude> CSI: Crime Scene Investigation (season 3) The third season of "" premiered on CBS on September 26, 2002 and ended May 15, 2003. The series stars William Petersen and Marg Helgenberger. Grissom begins to suffer from hearing loss ("Inside the Box"), as Catherine faces the possibility of losing her daughter ("Lady Heather's Box") during the third season of "CSI". Alongside their team, including Sara Sidle, Warrick Brown, Nick Stokes, and Jim Brass, Willows and Grissom investigate the death of a poker player ("Revenge is