April 1, 2016 8:39 pm Living With Lead Part 4: Lead Poisoning Cluster NBC10’s investigative reporter Mitch Blacher goes deeper into the region’s lead crisis in part-four of the week-long series. 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