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: The Experience "CSI: The Experience", visitors use the scientific information they gathered to answer a series of multiple-choice questions on touch screens. After completing the survey, visitors proceed to a recreation of Gil Grissom's office to present their case. Exhibit-goers can compare their scientific findings to those of expert crime scene investigators. The exhibit is geared toward adults and youth ages 12 and above. "CSI: The Experience" opened with a press preview on May 23, 2007 at the Museum of Science and Industry which was attended by stars from the cast of "CSI: Crime Scene Investigation", including William Petersen, Marg Helgenberger, Gary