Claims "credible source" proved Obama's birth certificate is a fraud

Trump tweeted that an "extremely credible source" contacted his office to confirm President Obama's birth certificate was a fraud. This claim was part of his long-running "birther" campaign and implied he had private intelligence verifying the conspiracy theory.

"An 'extremely credible source' has called my office and told me that @BarackObama's birth certificate is a fraud." — Tweet sent on August 6, 2012