Christopher D. Brown was 23 when he was fatally shot on December 27, 2016, in the Parkway Gardens neighborhood of Chicago.

Known by nicknames C Rock and Boo, friends and family remembered him as caring, funny, and loud. Tributes note he was a father to one child and expecting another at the time of his death. The Chicago Police Department opened an investigation, but no arrests or public identification of suspects have been reported and the case remains unsolved.

Does anyone have information about Christopher, his last known whereabouts that night, or contacts who might help investigators?