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) attacks Avery and cuts her with his knife. Avery says her code word and he is then arrested. At the end, Avery arranges for Susan's husband to come home. As she is leaving Avery tells D.B. about a bank robbery of three cents from 80 million chequing accounts. This episode launched the third "CSI" series, "". It is written by the creators of "CSI: Miami" and "CSI: NY", and marks the first appearance of Patricia Arquette as Dr Avery Ryan. This episode was included in the Season 14 DVD. This episode is also included in "CSI: Cyber"s season 1 DVD