A Virginia man pleaded not guilty Wednesday after being accused by the FBI of stockpiling the largest number of explosives bureau officials have witnessed. Brad Spafford, 36, answered mostly yes or no questions during his arraignment but pleaded not guilty to possession of an unregistered destructive device and possession of an unregistered short-barrel rifle,

A Virginia man has pleaded not guilty in a federal case that accuses him of stockpiling the largest number of finished explosives in FBI history

FBI investigation of a Virginia man led to what the agency calls its largest-ever seizure by number of finished explosive devices.

Investigators seized more than 150 pipe bombs and other homemade devices when they searched the home of Brad Spafford northwest of Norfolk in December, the prosecutors said in a motion filed Monday. The prosecutors wrote that this is believed to be “the largest seizure by number of finished explosive devices in FBI history."