The Strip Strangler
S1 episode 23 Aired on May 17, 2001

A serial killer -- the “Strip Strangler” -- terrorizes Las Vegas by torturing and murdering young women and the CSI team is forced to work with the FBI to arrest the murderer. Grissom’s kicked off the case when he disagrees with the FBI after they arrest a suspect. Working with his nightshift team in off-hours, they use forensic evidence to bring the real “Strip Strangler” to justice.