Apr 28, 2021 — Update as of 9:07 p.m.: The man connected to the deadly shooting in Watertown has died of a self-inflicted gunshot wound. According to state police, Barry Stewart, drove off the road in Dickinson Center Wednesday evening. Police found Steward inside the vehicle with a self-inflicted gunshot wound. He was pronounced dead at the hospital. Police have also identified the victims of Wednesday's deadly shooting as Maxine M. Quigg, age 50 from Wellesley Island, NY and Terence M. O’Brien, age 53 from Black River, NY. Both Quigg and O'Brien had worked with Barry Stewart at Bridgeview Real Estate in Watertown. Update as of 6:05 p.m.: