"Here comes the nerd squad."
That comment, dismissively muttered by a Las Vegas police officer when a couple of forensic analysts arrive at the scene of what appears to be a suicide, kicked off the pilot of "CSI: Crime Scene Investigation" on Oct. 6, 2000, on CBS.
That "nerd squad," headed by graveyard shift supervisor Gil Grissom (William Petersen) and investigator Catherine Willows (Marg Helgenberger), turned out to be a game-changer — for CBS and TV.
With its mix of quirky characters, science, gore and glitzy Vegas locale, "CSI: Crime Scene Investigation" transformed the TV crime-show genre. In its 15-year run, the drama...