Nearly five months after an Arlington Police motorcycle officer was killed in a hit-and-run crash, Dallas County Sheriffs say they have a suspect in custody. According to the Dallas County Sheriff’s Office, 26-year-old Joshua Quintairo Watson, of Jackson, Mississippi, was arrested in North Texas by members of a U.S. Marshals Task Force on a warrant related to the crash that killed Arlington Police motorcycle officer Darrin McMichael in September 2023.