Roshawn Cox, left, and Jermaine Cox mourn over the loss of their brother Terrance "Bird" Cox. Bird, 25, who had no police record, was shot and killed by a Chinese takeout down the street from his house in North Philadelphia. Police described the murder as an "execution-style" ambush. Per capita, Philadelphia is the most dangerous city in the country. In 2014, Philadelphia is on pace for an annual rate of 14.8 homicides per 100,000. Second is Chicago, which is on pace for an annual rate of 12.6 homicides per 100,000 residents. Philadelphia also had the highest rate in 2012 and 2013. 82% of murders in Philadelphia are by gunfire.