"AARP did not authorize the Sanders campaign to mention AARP or use the AARP logo, and we did not participate in its production."
http://www.dailykos.com/story/2016/1/28/1476430/-Bernie-s-Campaign-In-Deep-Now
Sanders TV ad claims Des Moines Register endorsed him;
it actually endorsed Hillary Clinton
Newsweek reported that Sanders’ campaign was using logos on its fliers from groups that had not endorsed him, including the League of Conservation Voters and the AARP.”
"Several New Hampshire residents say they were taken by surprise when they saw their pictures on presidential candidate Bernie Sanders' mailers."- "not amused"
"Sanders Campaign Ad Misleadingly Suggests Endorsements
Nashua Telegraph and The Valley News have not endorsed him"
http://time.com/4206874/bernie-sanders-campaign-ad-valley-news-nashua-telegraph/
AMERICAN LEGION THREATENS LEGAL ACTION AGAINST BERNIE SANDERS CAMPAIGN IF IT DOESN’T STOP USING EMBLEM
Hours after the Human Rights Campaign announced it is endorsing Hillary Clinton, the Bernie Sanders campaign issued a scathing response.
Calling it "an endorsement that cannot possibly be based on the facts and the record," Sanders campaign spokesperson Michael Briggs told the Washington Blade it is "understandable and consistent with the establishment organizations voting for the establishment candidate."
Senator Sanders' campaign posed as union members to fraudulently manipulate culinary workers union in Nevada