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 (season 12) museum ("Maid Men"), a cold-case killing ("Crime After Crime"), the zippering of a body ("Zippered") and a sadistic slaying ("Freaks and Geeks"). Meanwhile, D.B. struggles to keep control of his family ("Brain Doe"), Morgan's helicopter is hijacked mid-flight ("CSI Down"), Doc Robbins' wife finds herself at the center of an investigation ("Genetic Disorder"), and Catherine works alongside the FBI ("Ms. Willows Regrets"), before making a life-changing decision ("Willows in the Wind"). Then, it's all change at the LVPD when Russell recruits Julie Finlay ("Seeing Red"), fresh out of anger management and ready to tackle cases such as the theft of