He and his wife were leaving the Circle Restaurant (all dressed up and driving a brand-new Cadillac) when some miscreant - watching them from the shadows - followed them home from the restaurant, and robbed them in the driveway.
After stealing their jewelry and wallets, the perp turned and ran down the driveway to his car (with an accomplice waiting at the wheel). My father reached into his car, grabbed an empty whiskey bottle and threw it at the perp, who responded by shooting at my father. He missed.
My point is, if my father had been wearing a gun on his hip when he walked out of the restaurant that night, this never would have happened.