"In November, a mainland Chinese news outlet that had begun helping ICIJ sift through the offshore data pulled out of the reporting partnership, explaining that it had been instructed by the government to back off the story. ICIJ is keeping the identity of the news organization confidential to shield journalists from retaliation."

The above, although speaking about China, is a familiar tactic that readily applies with us.

http://www.icij.org/blog/2014/01/chinaleaks-stories-censored-mainland-china?goal=0_ffd1d0160d-5f8e4b90a4-100146301&mc_cid=5f8e4b90a4&mc_eid=f243cd9e01