At 6:29 a.m., Sueppel called 911 from his cell phone. He was in the family van. He told the dispatcher to send police to the Barrington Road house. He hung up.Within minutes, witnesses would later report seeing the van dodging between cars at a high speed on Interstate Highway 80 east of Iowa City.The van cut across traffic, went through two cable barriers and rammed into a concrete abutment that held up an electronic highway signpost.In mobile-telephone calls to 911 dispatchers, motorists described a ball of fire that erupted adjacent to the highway.Hear a call made from a Sueppel family cell phone at 6:29 a.m. Monday that directs the dispatcher to send police to the Sueppel family home at 629 Barrington Road.