Airshow dare devil Clem Sohn in his wingsuit at Vincennes in France

Airshow dare devil Clem Sohn in his wingsuit at Vincennes in France. He was known as 'Batman'. Planes in the background. He demonstrates flying. Clem Sohn then jumps in front of 55,000 spectators from 650 feet high in the sky. He plunges to death as his parachute fails to open.