This might work: "U.S. judges propose updating warrants for Tor, remote searches: p338 (2014)" It captures that the source of these recommendations is a judic

This might work: "U.S. judges propose updating warrants for Tor, remote searches: p338 (2014)" It captures that the source of these recommendations is a judicial conference of federal judges, not the FBI, and that it's dated August 2014. And it mentions the more interesting section (to me) on page 340, which is the fact that warrants could authorize "remote access to search electronic storage and seize or copy electronically stored information" via the Internet. Not perfect, but it seems workable...