CSI: Crime Scene Investigation (season 7) CSI: Crime Scene Investigation (season 7) The seventh season of "" premiered on CBS on September 21, 2006 and ended May 17, 2007. The series stars William Petersen and Marg Helgenberger. 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
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