Some question the plausibility of the circumstances that prosecutors have described involving Manssor Arbabsiar , a 56-year-old used-car salesman from Texas . An Iranian - American has been accused of plotting a terrorist attack to occur in the city . Numerous other American citizens have been accused of plotting attacks . They include a former Marine , National Guard soldier and a Chicago police member .
An Iranian - American has been accused of plotting a terrorist attack to occur in the city . Numerous other American citizens have been accused of plotting attacks . They include a former Marine , National Guard soldier and a Chicago police member .