(Knoxville, Iowa) – Police in Knoxville arrested a man on a Class-D Felony, Threat of Terrorism charge, following an investigation into an incident at a Walmart Store. Authorities say 44-year-old William David Kisling, of Knoxville, was arrested after a warrant was requested and received, for the search of his vehicle and home. Evidence gathered during the search resulted in the felony Terrorism charge and a simple misdemeanor Possession of Drug Paraphernalia, charge.

Police say Officers and Marian County Sheriff’s Deputies responded to a reported potential threat at the Knoxville Walmart Store. When the first law enforcement officers arrived on the scene, employees were evacuating customers. Evidence was collected at the scene, including video surveillance and discarded playing cards with hand-written messages threatening violence. Kisling and his vehicle were identified through a review of store video surveillance images. Afterward, officers went to the 200 block of Cinder Avenue in Knoxville, where they located both Kisling and his vehicle.

Kisling was being held in the Marion County Jail. Other agencies assisting in handling the incident included Knoxville Fire and Rescue, and Marion County Emergency Management.