On the evening of March 22, 1990, Dr. Gerald Bull got out of a car in Brussels, Belgium and headed back to his apartment.
Gerald Bull got out of the elevator and walked toward his apartment. From the shadows another shadow stepped, holding a silenced pistol. Three shots were fired into the back of Gerald Bull and, after he fell, two more into his head for good measure. Gerald Bull was dead.
… from the blog Today’s History Lesson: Supergun no Bull to Somebody
“Super Gun” Inventor Felled By Assassins – Were They American, Israeli or Others?