sentences:  They had no children.Gray died of complications from injuries sustained after a car accident caused by drifting across the center line and crashing his red Ford pickup truck head-on at a white Jeep on State Route 157 eastbound, just northwest of Las Vegas on April 9, 2015, at the University Medical Center of Southern Nevada (UMCSN) in Las Vegas, aged 69.Gray was a longtime political operative in Nevada, called "one of the great political minds in Nevada history" by then-Senate Majority Leader Harry Reid.