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
Kitty (CSI: Crime Scene Investigation) to get rid of the press. Nick Stokes (George Eads) catches up with a suspect (Gil Bellows) and tests him for GSR which comes back positive so he is arrested. D.B. Russell (Ted Danson) enters the house and he notices that the technology seems to follow him and the lights turn on when he walks past them. Greg Sanders (Eric Szmanda) tells D.B. that he believes the house is a smart house. While Julie Finlay (Elisabeth Shue) is taking crime scene photos, Al Robbins (Robert David Hall) gives a brief belief of what he believes happened. When D.B. looks through