How do you like this...agents storm a 91 year old man house because he runs a museum....
http://wishtv.com/2014/04/02/fbi-surrounds-home-in-rush-county/
Come on - it was only a hundred Fibbie agents, and dozens of police cruisers.
It's not like they called in a couple of armored brigades or a detachment of the 101st Airborne...
That man was involved with the creation and testing if the first atomic bombs. His antennae were seized.
Methinks he was targeted for reasons other than artifacts.