Anthony A. Tripp, 22, was fatally shot on December 27, 2017, in Chicago’s Grand Boulevard neighborhood. Officers who responded to the 4800 block of South Calumet Avenue found Tripp with gunshot wounds to his head and chest; emergency medical personnel pronounced him dead at the scene.

Tripp’s killing occurred during a year when Chicago saw a surge in gun violence and homicides, with neighborhoods like Grand Boulevard experiencing elevated conflicts and shootings.

Did anyone in the Grand Boulevard area know Tripp or see what happened on December 27, 2017?