Sergeant Griffith and another officer were responding to a disturbance at a convenience store. When the officers arrived, a shootout occurred. Both officers were shot. One officer is in serious but stable condition. Sergeant Griffith succumbed to his injuries at Mercy Hospital in Creve Coeur.
Acting Governor Mike Kehoe ordered that the flag of the United States and the flag of Missouri be flown at half-staff at all government buildings in Gasconade County on Sunday, March 19, from sunrise to sunset in honor of Hermann Police Detective Sergeant Mason Evans Griffith.