Local, state and federal officials are investigating a death in an automobile crash near Knoxville. At 3:00 PM on January 12 the Marion County Sheriff’s Office requested the assistance of the State Fire Marshal Division to investigate suspected improvised explosive devices (IEDs) recovered from a fatal single-truck crash which occurred east of Knoxville around 12:04 AM. Witnesses say the truck rolled, and multiple explosions occurred.

Following an autopsy, the State Medical Examiner and Division of Criminal Investigation Criminalistics Laboratory identified the driver in the crash as Del Sorey of Arnolds Park, Iowa. Sorey was the only person in the vehicle. The truck Sorey was driving caught fire, and much of it and its contents were destroyed. Search warrants related to the IED’s were served on Wednesday January 15th at three addresses in Milford and Arnolds Park, Iowa, in Dickinson County. The case remains under investigation. Agencies involved include the Marion County Sheriff’s office, the state Fire Marshal, the DCI, and the FBI.