Anyone wanting to read the Federal indictment against Dennis & Daniel Mahon can read it here: http://media.kansascity.com/smedia/2009/06/26/11/Mahon_Indictment.source.prod_affiliate.81.pdf
Here is a related ATF affidavit: http://media.kansascity.com/smedia/2009/06/26/16/joos_affidavit.source.prod_affiliate.81.pdf