And Fox News host Sean Hannity is asking: "What did OBAMA know and when did he know it???" That's how the idea reached Trump's radar. The Breitbart article "circulated" in the West Wing, a White House official told CNN's Jeff Zeleny, and the information "infuriated" Trump. One of the top headlines on The Gateway Pundit on Sunday read: "Incompetent AND Criminal: Obama's Wiretapping of President Trump Icing on the Cake of Worst President Ever." But those reports, alleging efforts by the FBI to monitor Trump associates with suspected ties to Russia, became the basis of the conspiracy theory.

Source: CNN March 06, 2017 14:26 UTC