3 at defense firm admit defrauding US by $6M on Humvee parts
PITTSBURGH — Two brothers who formerly owned a Pennsylvania defense contractor and their former chief financial officer have pleaded guilty in a $6 million scheme to overcharge the U.S. Defense Department for Humvee window kits. The Butler-based contractor, Ibis Tek LLC, removed the former co-owners, Thomas Buckner, 68, of Gibsonia, and John Buckner, 66, of