(KCCR) — The South Dakota Highway Patrol has identified the victim of a rollover crash in Brule County last week. Authorities say 84 year-old Gerald Pierotti of Oshkosh, Wisconsin was involved in the crash last Thursday, two miles west of Kimball just before nine A.M. Pierotti was driving a 2004 Dodge Dakota pickup east on Interstate 90 when his pickup left the road surface and entered the south ditch. Pieroti was not wearing a seat belt at the time and was thrown clear from the vehicle. Pierotti was alone in the vehicle at the time of the crash. He was transported to the Sanford Chamberlain Medical Center where he was pronounced dead. The South Dakota Highway Patrol is investigating the crash.