June 12, 2009 6:40 pm Looking for Scum in Sin City DATELINE’s Chris Hansen goes off the strip to the dark corners of Las Vegas to watch police “catch” auto thieves, pimps, even a man producing counterfeit hundred dollar bills. Watch on Monday, June 15 at 10 PM/ ET. US & World Videos 2:49 Lady Gaga teases her ‘authentic' version of Harley Quinn in ‘Joker' sequel 5:43 Glen Powell and Ally Maki vs. Kelly Clarkson: Movie poster trivia 1:55 Airline ‘Bark Air' lands inaugural dog-friendly flight in LA 3:08 Red Nose Day Supports NYC youth sports nonprofit 0:57 ‘Seinfeld' star Michael Richards reveals prostate cancer diagnosis