One of the largest stockpiles of homemade explosives the FBI has ever seized was found in a home last month. Brad Spafford allegedly collected more than 150 pipe bombs and other homemade devices in the home he shares with his wife and two young children. Most of the bombs were found in a detached garage at the address in Norfolk, Virginia , the FBI said. The prosecutors wrote this is believed to be "the largest seizure by number of finished explosive devices in FBI history." They added: "