Decades ago, two Lawrence businessmen were forced to shoot and kill assailants who entered their premises and attacked them. One was an automobile radiator repair shop. I knew both the felon assailant (went to school with him when he was just starting to get weird!) and the son of the man who was in the unfortunate position of having to fire in self-defense (also a fellow student). He was sued, his wife left him and went back to Canada, he lost his house, his business and his life savings.
The second incident involved a guy I knew who ran a neighborhood convenience store. One hot July day, a man dressed in a trenchcoat entered the store and Benny asked him if he needed anything. The guy said nothing, drew a 12" chef's knife and charged Benny. Just as the guy was about to run Benny through, he grabbed his gun and fired, killing the assailant (who was recently released from Danvers State Hospital after attacking his own mother with a knife). Benny was sued by the dead man's family. He lost his store, his house and his life savings. His wife re-connected with an old high school boyfriend and ran off with him. Last time I saw Benny, he was behind the cash register at a business owned by his cousins, most likely making crap for a salary. Two justified shootings, two felons dead, two businessmen with ruined lives.