April 26, 2013 11:32 pm Police Hunt AK-47, Shooter Police hunt for a gunman who’s using a high-powered weapon on the streets of Philadelphia. Investigators say he’s a killer. NBC10’s Nefertiti Jaquez has details from police headquarters. 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