On the evening of October 24, 2016, a fourteen-year-old male named Jamarr Mack Jr. was fatally shot in the O'Fallon Park neighborhood of St. Louis, Missouri. The incident occurred as he was walking in the 4300 block of Lee Avenue, reportedly on his way home from a nearby library. Residents in the area reported hearing gunshots around 7:45 p.m., prompting calls to law enforcement.
Officers from the St. Louis Metropolitan Police Department responded to the scene at approximately 7:59 p.m.
Upon arrival, they discovered the teenager lying on the sidewalk, suffering from multiple gunshot wounds. At the time of discovery, he was described as semi-conscious and breathing but unresponsive. Emergency medical personnel transported him to a local hospital for urgent treatment, but he succumbed to his injuries shortly after arrival and was pronounced dead.
Homicide detectives launched an investigation into the shooting, canvassing the area for witnesses and evidence. Despite the efforts of law enforcement and appeals from the victim's family for answers, public records from St. Louis Regional Crime Stoppers have listed the case as an open homicide with no arrests reported in the years following the event. Authorities have not released descriptions of any specific suspects, and the motive for the shooting has remained undetermined in released reports.