Cheyenne, WY – Two men found traveling with eight pipe bombs east of Cheyenne are members of white supremacist groups. The bombs wer found in a vehicle and trailer it was towing Monday night on Interstate 80. A state trooper had stopped the vehicle for driving erratically. Gil Salinas of the federal Bureau of Alcohol, Tobacco and Firearms office in Cheyenne says authorities have identified the two men. But he could not immediately release their names because it might jeopardize another investigation in Utah. Investigators don't know where the men were headed in the rented vehicle.