August 18, 2014 11:42 pm Person of Interest in Peace Concert Shooting Police are searching for a person of interest in the deadly shooting of a man outside a Philadelphia anti-violence concert. NBC10 speaks to the sister of the victim. US & World Videos 2:54 UPenn leaders reiterate to pro-Palestinian protesters that they need to disband 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody