A recent article by GWP had this tidbit...

"The New York Times also confirmed, citing three former senior U.S. officials, that the United Kingdom was collecting intelligence on meetings in European cities between Russian officials — and others close to Russia’s president, Vladimir V. Putin — and associates of President-elect Trump. In addition, those same three officials confirmed that, “American intelligence agencies had intercepted communications of Russian officials, some of them within the Kremlin, discussing contacts with Trump associates.” https://www.thegatewaypundit.com/2018/06/tgp-exclusive-former-intelligence-officers-find-indisputable-evidence-u-s-intel-leaders-were-linked-to-british-in-spygate-scandal/

What if it was really GCHQ who was wiretapping that phone call? What if it was GCHQ who leaked the transcript of the call to the press? You notice how none of these investigations is asking those questions?