Here, January 19, 2017, in "Intercepted Russian Communications Part of Inquiry Into Trump Associates":
The F.B.I. is leading the investigations, aided by the National Security Agency, the C.I.A. and the Treasury Department’s financial crimes unit. The investigators have accelerated their efforts in recent weeks but have found no conclusive evidence of wrongdoing, the officials said. One official said intelligence reports based on some of the wiretapped communications had been provided to the White House. ... It is unclear which Russian officials are under investigation, or what particular conversations caught the attention of American eavesdroppers.
This editorial note appears in fine print at the bottom of the online story indicating that these "intercepted Russian communications" were really American wiretaps:
A version of this article appears in print on January 20, 2017, on Page A1 of the New York edition with the headline: Wiretapped Data Used in Inquiry of Trump Aides.