On December 23, 1966, eighteen-year-old Gary Wood was driving with his younger sister Sue along a dark street in their hometown. They were heading home singing Christmas songs when Sue spotted an illegally-parked tow truck sticking out into their lane of traffic. Her scream pierced the night only a moment before the car crashed headlong into the obstruction. In the accident, Gary suffered a mid-face injury with laryngeal fractures--his vocal cords...