Gil Grissom (William Peterson) leads a team of Las Vegas forensic investigators, including Catharine Willows (Marg Helgenberger) and Warrick Brown (Gary Dourdan), who use cutting-edge scientific analysis to solve deaths in Sin City. A flashy, stylized drama, “CSI” borrows many film techniques and visual effects to re-create crimes.
The team finds it challenging to get a good read on their new member, Keppler, as they track a recently active serial killer who has been killing since the 1970s
Catherine must deceive her teammates when she agrees to Keppler's covert and controversial plan to catch the killer of a popular politician