Investigators believe there are different accounts about the heist . They are examining questions about why the driver drove over . he was en route from Miami to jail when truck exploded . Three armed men in white van tied guards and marched them into woods . Owner of transport company TransValue says his guards were n't injured . Those associated with company are insured for up to $ 100million .
Investigators say there are different accounts about the heist . They are examining evidence about why the driver pulled over . Metal was en route from Miami to Massachusetts when truck stopped . Three armed men in white van tied guards and marched them into woods . Owner of transport company TransValue says his guards were n't injured . Goods transported with company are insured for up to $ 100million .