A recent Forbes article talks about the data that the NSA is sharing with the DEA and IRS. The DEA and IRS are told to lie about where they get the data. This seems no different than when evidence in a criminal case is thrown out if police obtained it through an illegal means. The article calls for a special prosecutor.

http://www.forbes.com/sites/jennifergranick/2013/08/14/nsa-d...