Three men are accused by the Hall County Sheriff’s Office of striking a man in the head and shooting his bull mastiff Sunday, authorities said. Dwayne Motes, 51, and his sons Nicholas, 28, and Matthew, 27, are charged with cruelty to animals, battery, reckless conduct and other charges for an alleged incident on Benson Drive in Gainesville. Authorities said Dwayne Motes was involved in an argument with the victim Charles Speer, 55, earlier in the evening.