Williams O’Neil Jr., 23, was shot and later died following a domestic dispute inside a home on North Magnolia Street in Sumter, South Carolina, on Tuesday, May 26, 2026. Officers found O’Neil wounded around 5:30 p.m.; he was taken to Prisma Health Tuomey Hospital and later died of his injuries. Two other people suffered minor injuries and were treated at the scene.

Police described the shooting as isolated and connected to the domestic dispute. Investigators scheduled an autopsy and publicly asked for assistance locating 20-year-old Vishawn Montrie Witherspoon of Manning, saying he may have information related to the fatal shooting.

Anyone with information is asked to contact the Sumter Police Department or submit anonymous tips to Sumter Crime Stoppers.