The Lost Girls (CSI: Crime Scene Investigation) The Lost Girls (CSI: Crime Scene Investigation) "The Lost Girls" is the seventh episode of season 10 of "". It is also the final part of a crossover trilogy that links all three CSIs together for the first time; the trilogy began on "" with "Bone Voyage" and continued on "" with "Hammer Down". It features Laurence Fishburne as Dr. Ray Langston, who trails the case of a missing girl from Miami to New York and back to his home town of Las Vegas. Dr. Ray Langston is back in Las Vegas and still searching for Madeline Briggs after trying
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