January 11, 2012 11:30 pm Suspect Arrested in Killing of 3 Teens A man accused of shooting four teenagers was in police custody Wednesday night less than 24 hours after police say Axel Barreto shot four teens, killing three boys. US & World Videos 1:40 Penn officials urging pro-Palestinian protesters to pack up and leave campus 2:17 Clear the Shelters: Meet Tails 0:30 Delaware drunk driver crashes into bus while fleeing state troopers, officials say 0:27 Regulators close Philadelphia-based Republic First Bank 2:21 Neighbors coming together for event weeks after West Philly Eid al-Fitr shooting