Mario J. Walls, a 29-year-old Black / African American male, was shot and killed in Milwaukee on November 20, 2021. The shooting also killed Alexis D.

Tyler; both victims died in the same incident. The loss of two young people in one event left their communities with many unanswered questions.

If anyone knew Mario Walls, Alexis Tyler, or saw or heard anything relevant that night, please share information with Milwaukee police.