Never Let It Be Said The FBI isn't ... Quick-Thinking! Ten years after the attack on the Murrah Building, the FBI (acting from a tip) discovered a cache of blasting caps in the home of Terry Nichols. Apparently, a furnace repairman found the explosives and suggested that the FBI go and 'discover' them. "The information so far indicates the items have been there since prior to the Oklahoma City bombing," Agent Gary Johnson said in a telephone interview from Oklahoma City.