Philadelphia police released shocking video of seven teens beating James Lambert Jr., 73, with a traffic cone, who died from the injuries he sustained The video shows four boys and three girls chasing after the elderly man in the middle of the street as they hurl the makeshift weapon at him Police are offering a $20,000 reward for information on the seven teens It's the latest in a string of violent crimes plaguing the City of Brotherly Love, where two officers were shot and injured on the Fourth of July Overall crime in Philadelphia is up by more than 25...