Pima County Sheriff's deputies say a man died in a single-vehicle rollover in Sahuarita Thursday night.
Deputies investigated the wreck, in the 10700 block of East Camino Aurelia, at 9:10 p.m. They found 77-year-old David Knight severely injured in the wreck, and he was later pronounced dead at the scene.
Deputies say Knight was traveling at high speed westbound on Camino Aurelia and passing other vehicles when he lost control of his car and rolled several times.
Knight was not wearing his seatbelt. No one else was involed in the crash.