CHICAGO, IL - APRIL 19:  Remnants of crime scene tape remain on a fence in Foster Park following a shooting on April 19, 2016 in Chicago, Illinois. Four people were wounded and one killed when a gunman opened fire during the filming of a rap music video in the park early in the morning. Chicago has seen a rise in gun violence this year with shootings up 88 percent and murders up 72 percent over the same period last year.  (Photo by Scott Olson/Getty Images)