Sources Claim David Brock’s Media Matters Has Hidden $1,052,500 From The IRS Since 2010

David Brock, recently described by as “the Democrats’ dark-arts master,” may have some explaining to do.

According to ZeroHedge, his Media Matters for America (MMFA), has failed to report to the IRS over $1 million in sublet rental income from 2010 to 2014.

Are David Brock and his allies pocketing that money for themselves?