http://thinkprogress.org/election/2015/05/06/3655397/fec-already-throwing-towel-enforcing-campaign-finance-law-2016/
"Meanwhile, the possible electoral shenanigans are already piling up.
In January, the FEC accused GOP operative Karl Rove’s organization Crossroads GPS of violating its tax-exempt “social welfare” status by spending millions of dollars to support conservative candidates. The agency took no action against Crossroads GPS, meaning the group is still allowed to shield the identity of its donors.
Similar complaints have been made about Americans for Job Security, the American Action Network, and the American Future Fund, but the agency’s Republican members have blocked investigations into their activities."