MIAMI — The Florida woman who shot and killed a drugged-up Army vet in a spat over a parking spot at a Walmart will not face charges after he threatened to ‘f— her s— up’, prosecutors revealed Thursday. Bart Diguglielmo, a 62-year-old retired staff sergeant, was fatally shot in front of the supercenter in North Lauderdale just before 12:30 p.m. on June 30. The shooter, identified as Melissa Payne, is immune from prosecution because she acted in self-defense due to the state’s “stand your ground” law, the Broward County state attorney’s office announced. One witness said she had heard Diguglielmo...