Ask their spokesperson, Connie Hair, A former freeper Clinton's a Liar, BTW, to provide you with the information you seek or to a reference to their organization and spending/financial documents. If they do not give them to you I would be surprised.
http://www.minutemanhq.com/hq/contactus.php
Contact Us
Minuteman Civil Defense Corps, Inc.
6501 Greenway Parkway
Suite 103-640
Scottsdale, AZ 85254
520-829-3112
Or you can email us at info@MinutemanHQ.com
To Volunteer go to Registration Page
Media
Please Submit Media Inquiries to media@minutemanhq.com or call 703-822-4665
The media part is where Connie is working.
I am not a Minuteman, so I cant tell you all the details or research it all for you.
As I said before, if these folks are so pissed off about their donations they can go the the AZ attorney general and
file a complaint.