A Maryland man has been charged with murder after allegedly shooting his fiancée, barricading himself in an Upper Marlboro home and firing a gun at officers, police say. #DinaTaylor, 39, was found on a road early Thursday suffering from multiple gunshot wounds and was pronounced dead at the scene, Prince George’s County police said. #DionteSims, 38, of Upper Marlboro, is charged with first- and second-degree murder in her death, plus attempted first-degree murder of two offic