reporter: this latest tragedy coming just weeks after mass shootings in atlanta, colorado, and south carolina, drawing further attention to what has been described as a deep-seated epidemic of gun violence. following a furious protest over shootings in the city of minneapolis, release in chicago are calling for calms well after their own deadly incident. the victim this time, an unarmed 13-year-old latino boy. id. toledo's death happened last month but bodycam footage of the incident has not been released. reporter: the video you are about to see is incredibly disturbing. it is 230 a.m. and an officer wearing a body camera arrives at a black and latino neighborhood in chicago. a police surveillance system had detected gunshots nearby and the investigating officer runs after a person down an alleyway. [shouting] >> come here! [gunfire] reporter: that person was 13-year-old adam toledo. chicago police had at first called this an armed confrontation with the police, claiming the boy had been holding a gun. the video released 17 days later, appears to tell a different story as, toledo bl