Philadelphia May 1, 2024 6:39 am Philly police believe teenage girl stabbed grandmother to death inside rowhome NBC10’s Siobhan McGirl reports on a deadly stabbing inside a house along Philadelphia’s Cobbs Creek Parkway early Wednesday morning. US & World Videos 0:26 Caught on cam: Man smashes Manayunk store window, steals purses 0:23 Funeral held for fallen NJ trooper 0:20 Fire burns through North Philly funeral home 10:44 Racing to get beaches ready for summer: The Lineup 0:24 Fallen New Jersey trooper to be laid to rest