CNN CNN Newsroom June 18, 2013 13:22:00
>> if it didn't rise to that level, we certainly wouldn't be out here because a judge has to move forward on that. >> reporter: other searches were duds. last year, soil samples were taken from beneath a shed outside detroit, but searches went nowhere. in 2006, agents checked out a horse farm. in 2004, they tested floorboards for blood and no hoffa. that reportedly cost the fbi $225,000 to excavate a horse farm. compared to last year, cnn learned local police only paid $45 to replace a broken padlock. zerilli's motive is simple, he's writing a book and needs the money. >> if they find the rema...