Aaron Johnson, 23, was found critically wounded from gunshot injuries on the afternoon of Saturday, March 17, 2018, in the 4500 block of McMillan Avenue in north St. Louis. First responders arrived shortly before 5:00 p.m., and Johnson was transported to a local hospital where he was pronounced dead a short time later. The shooting occurred on St. Patrick’s Day during a weekend that law enforcement says included multiple other shootings across the city.

Homicide detectives opened an investigation and reported that a suspect was taken into custody the next day; initial reports did not release the suspect’s name or the specific charges. Nothing in the immediate accounts describes a motive or what preceded the shooting. Anyone with information about Aaron’s death or who witnessed events near McMillan Avenue that afternoon is asked to come forward.