Antonio Mosley, known to his loved ones as "Lil Tony," was a beloved son, brother, and friend whose life was tragically cut short when he was 24 years old. Born in St. Louis, Missouri, on May 13, 1997, Antonio was part of a large and close-knit family. He is remembered and survived by his parents, Antonio Mosley, Sr. and Yolanda Byrd, a stepfather, Kevin Dukes, and his grandmother, Beatrice McCanery. Antonio grew up surrounded by siblings Tonisha Mosley, Tonika Mosley, Cemon Byrd, Eric Liska, Keetah Brown, and Kayla Bell, as well as numerous aunts, uncles, cousins, and two nephews who cherished him. His family mourned his passing with a visitation and funeral service in early June 2021.
The afternoon of Saturday, May 29, 2021, turned fatal for Antonio in the O’Fallon neighborhood of north St. Louis. The St. Louis Metropolitan Police Department was alerted to trouble in the 4400 block of Red Bud Avenue when the city’s ShotSpotter system detected the sound of five gunshots.
Officers were dispatched to the scene, a residential street lined with brick homes and trees. Upon their arrival, they discovered a grim scene. Antonio Mosley had been shot in the head and was pronounced dead at the location. A woman at the scene identified the young victim as her nephew, a devastating confirmation for the family that would soon ripple through their community.
The investigation into Antonio's death was handled by the homicide division of the St. Louis Metropolitan Police Department. Detectives cordoned off the block and began gathering evidence and speaking with potential witnesses. The shooting marked the 77th homicide in the city of St. Louis that year, a statistic that underscored a wave of violence affecting the community. The investigation quickly pointed to a suspect who lived on the same block where the shooting occurred.
Within a day of the killing, police had a suspect in custody. On Sunday, May 30, 2021, authorities arrested Robert Devaugh Williams, a 40-year-old resident of the 4400 block of Red Bud Avenue. Following his arrest, the St. Louis Circuit Attorney's Office filed formal charges against him. Williams was charged with first-degree murder, armed criminal action, and unlawful possession of a firearm by a felon in connection with Antonio Mosley's death. The relationship between Antonio and Williams, and the circumstances that led to the fatal confrontation, were not immediately made public by investigators.
After the initial charges were announced, Robert Devaugh Williams was taken into custody. The case against him was entered into the court system of the 22nd Judicial Circuit of Missouri. However, the specific details of the subsequent legal proceedings, including a trial, plea agreement, or final verdict and sentence, have not been widely reported in public records or news media since the initial charges were filed.
The loss of Antonio Mosley left a profound void in the lives of his family and friends. They remember him as a cherished young man with a future ahead of him, taken away by a senseless act of violence. While an arrest and charges were swiftly made, the ultimate resolution of the criminal case remains unclear based on available public information. The case officially remains in the hands of the Missouri court system. As of the last reports, the legal proceedings against Robert Devaugh Williams were pending.
