Dequan M. Barnett, 18, was shot and killed in South Chicago in the early hours of November 26, 2016. The shooting happened about 2:15 a.m. on the 8800 block of South Exchange Avenue while Barnett was attending a party; gunfire left him fatally wounded and injured five others, one critically.

The incident occurred during a holiday weekend in a neighborhood already dealing with high rates of gun violence. Investigations were ongoing as authorities tried to piece together what happened that night.

Does anyone who was in the area that morning or who knew Dequan have information that could help clarify the events?