MtGox has been subpoenaed by the U.S. Attorney's office in New York.
Perhaps this was reported a few pages back but I could not find anything so here's the story.

http://www.businessinsider.com/report-mtgox-subpoenaed-by-us-prosecutor-2014-2

edit:  Ah I see it now. It appeared a ways back in this thread https://bitcointalk.org/index.php?topic=178336.msg5377102#msg5377102