COLORADO SPRINGS — A former Republican Party leader in Colorado has settled a wrongful death lawsuit filed by the widow of a pedestrian he hit and killed in downtown Colorado Springs. The Colorado Springs Gazette reports terms of the settlement between Trevor Dierdorff and Dianna Tolbert were not disclosed. Dierdorff is former chairman of the El Paso County Republican Party. He was backing into a parking space in March 2017 when he hit 79-year-old Mel Tolbert, who died five days later.