Boulis slammed on his brakes, and when he did, a black Ford Mustang pulled up next to him and someone opened fire, hitting Boulis three times and killing him. The crime is among the most famous in Fort Lauderdale history: Nearly ten years ago Miami Subs-founder and gambling boat mogul Konstantinos 'Gus' Boulis was driving his black BMW sedan through downtown when the truck in front of him stopped short.