Darieus Leonard Mohead, 21, was shot and killed in an alley in Chicago’s Pullman neighborhood on April 7, 2021.

Authorities have asked the community for tips that could lead to those responsible. The account underscores the persistent toll of gun violence on young people in Chicago and the difficulties investigators face in these cases.

If anyone in Pullman or nearby saw activity in the alley around April 7, 2021, or has information about Darieus’s death, please share what you know with investigators.