Parachuting - What Was the Smoking Gun?

Tests found Stephen's sweat around the frayed edges of material that was slashed on one of his parachutes. This discovery was meaningless as a sweat would be expected to transfer onto the main bridle every time the parachute was packed. Further tests found new fibers from the cut webbing were found on Stephen's clothing beneath his jumpsuit. He may have done his gear check before putting on his jumpsuit, and in doing so, any fibers that were on the outside of the rig could have transferred then. Investigators probed further into Stephen's personal life. They heard about the time he told friends that if he was ever going to take his own life, it would be by skydiving