Law & Order: Special Victims Unit - Season 2 Episode 15 : Countdown

The detectives become a little edgy after working around the clock to find an abducted girl when clues point to a serial murderer and rapist who kills his victims on the third day. After trapping the killer, they are prepared to give him the death penalty until they find out that one of his victims was never found and he offers her location as a plea bargain.