Terry Tyee Mubarak Barry, 21, was shot and killed on September 26, 2017, in Chicago’s South Shore neighborhood. The shooting occurred at about 12:45 p.m. in the 7000 block of South Chappel Avenue; Barry and a 24-year-old man were both struck in the head. Barry was taken to Northwestern Memorial Hospital and pronounced dead shortly after, at 1:23 p.m.

Also known as Bico, Barry was part of a group called Tyquan World and was connected to Chicago’s music and street culture scenes. Family, friends and peers marked his death with social media posts and memorials. His killing drew attention to rising violence in that stretch of South Chappel Avenue and to the wider pattern of gun violence affecting young men in the city that year.

If anyone knew Barry, his routines, associates or what happened that afternoon, please share information that could help piece together the events of September 26, 2017.