WCAU October 2, 2017 6:51 pm What We Know About the Las Vegas Shooter NBC10 Investigative Reporter Mitch Blacher has the latest details about what we know about the Las Vegas shooter, Stephen Paddock. US & World Videos 0:35 Fans of ‘The Office' got to see some of the stars at Fan Expo Philadelphia on Saturday 2:32 Rainy, chilly weather didn't stop many from enjoying festivals throughout Philadelphia 0:29 Driver found safe after carjacking in Delaware 2:23 Teen killed in quadruple shooting in North Philadelphia on Saturday evening 0:39 Teen shot near church in West Philly, two in custody