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

The FBI found more than 150 homemade bombs during a raid on a Virginia farm when they arrested a man on a firearms charge, federal prosecutors allege. The big picture: Preliminarily assessments of the haul seized from Brad Kenneth Spafford's Isle of Wight County farm indicate it's "the largest seizure by number of finished explosive devices in FBI history,

Prosecutors are fighting to keep a Virginia man behind bars after they say investigators found what could be the largest number of “finished explosive devices” in FBI history at his 20-acre home near Norfolk.