Arlandus Jamel Mayo, 40, was shot and killed on April 29, 2016, in St. Louis, Missouri. The incident occurred in the Walnut Park East neighborhood, a part of the city that has seen significant gun violence. Mayo's death was part of a violent weekend that included multiple shootings in the area. His passing highlights the ongoing issues of crime and gun violence in St. Louis, which has struggled with high homicide rates for several years. His family and community continue to mourn his loss.