Original ABC News footage and report of circus performer Karl Wallenda attempt to walk a tightrope 121 feet in the air between two buildings in Puerto Rico. Wallenda fell to his death in 30 mph winds. He was 73.

Original ABC News footage and report of circus performer Karl Wallenda attempt to walk a tightrope 121 feet in the air between two buildings in Puerto Rico. Wallenda fell to his death in 30 mph winds. He was 73.