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 created. It focuses on the FBI's elite Cyber Crime Division. The "CSI" series exists within the same fictional "universe" as fellow CBS police dramas "Without a Trace" and "Cold Case". A number of comic books, video games, and novels based on the series have been made. In 2006, the Fort Worth Museum of Science and History developed a traveling museum exhibit called "CSI: The Experience". On May 25, 2007, Chicago's Museum of Science and Industry was the first museum to host the exhibit, and the exhibit's opening featured stars from the TV series. Also a supporting website designed for the