[Houshang] Vatanpour, who left Iran with his family six years ago to escape religious persecution, last made contact with Freedom Cab officials about 7:45 p.m. July 2.His slashed and burned body was found that night by Justin firefighters just west of Alliance Airport in Denton County. Working nonstop on tips and leads, authorities arrested Whitehead and Ohlfs at her Argyle home a few days later, and Stephens was arrested in Haltom City. Stephens told authorities that he and Whitehead were in the taxi when Vatanpour was hit over the head with a glass bottle and then stabbed. Whitehead then called Ohlfs and told her to bring gasoline and a shovel, authorities have said. Vatanpour was then doused with gasoline and set on fire, authorities have said.
