It's a tactic the president has used before, and it works. Subscribe to our channel! http://goo.gl/0bsAjO President Trump calls it calls it “spygate:” the allegation that the FBI and democrats put a spy in his campaign to help Hillary Clinton. It’s not true. Top republicans like Speaker Paul Ryan have even disputed the president. But even though it’s a conspiracy theory, millions of Americans will still believe it. It’s a playbook he has used before. “Spygate” is an attempt to delegitimize the FBI and special counsel Robert Mueller’s investigation. If the American people lose trust in them, they won’t believe whatever the investigation finds. It’s working. Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com. Watch our full video catalog: http://goo.gl/IZONyE Follow Vox on Facebook: http://goo.gl/U2g06o Or Twitter: http://goo.gl/XFrZ5H