Billy Williams was 45 when he was shot at a residence in the 2100 block of Gordon Street in Hannibal, Missouri. The shooting occurred on June 4, 2020; Williams was transported to Hannibal Regional Hospital and pronounced dead about an hour later.

Within days, Hannibal police identified 26-year-old Corey Cobb as the suspected shooter and sought him on a warrant charging second-degree murder. U.S. Marshals located and arrested Cobb in the St. Louis area a couple of days after the killing; he was returned to Marion County and held on a one-million-dollar cash-only bond. Cobb pleaded not guilty at arraignment, and defense counsel later sought a mental fitness exam after he became agitated during a hearing, delaying proceedings.

The initial charge and the later court actions moved the case toward resolution. Anyone who knew Billy Williams or has information about the June 4, 2020 shooting on Gordon Street is asked to come forward.