: Dr. Ray Langston returns to Las Vegas to continue his hunt for Madeline Briggs, a young woman taken by a human trafficking ring. The investigation of a murdered weathercaster, who was secretly working as a prostitute, provides the critical lead Langston needs to finally find the missing girl. Key Story Points
: The team discovers that Dede Chase, a meteorologist, was involved in a prostitution ring, linking her to Madeline Briggs. [S10E7] The Lost Girls
: The episode wraps up Langston's multi-city search, exposing the brutal operations of the trafficking ring across Miami, New York, and Las Vegas. Cast and Production Key Story Points : The team discovers that
" The Lost Girls " is the seventh episode of 's 10th season and serves as the final part of a high-stakes crossover event known as the CSI: Trilogy . Episode Overview Original Air Date : November 12, 2009. Episode Overview Original Air Date : November 12, 2009
You can stream this episode on platforms such as Paramount+ or purchase it through Apple TV .