"I have people, very smart people, that have been studying his birth certificate, and they cannot believe what they're finding...they can't believe....I would like to have him show his birth certificate, and can I be honest with you? I hope he can. Because if he can't, if he can't, if he wasn't born in this country, which is a real possibility, and I believe that, then he has pulled one of the great cons in the history of politics."
"Why doesn't he show his birth certificate? Why? There's something on that birth certificate that he doesn't like."
"His grandmother in Kenya said, 'Oh, no, he was born in Kenya and I was there and I witnessed the birth.' She's on tape. That tape's going to be produced fairly soon. Somebody is coming out with a book in two weeks, it will be very interesting."
"An 'extremely credible source' has called my office and told me that @BarackObama's birth certificate is a fraud."
"He doesn't have a birth certificate, or if he does, there's something on that certificate that is very bad for him. Now, somebody told me -- and I have no idea if this is bad for him or not, but perhaps it would be -- that where it says 'religion,' it might have 'Muslim.' And if you're a Muslim, you don't change your religion, by the way." - Religion isn't listed on birth certificates.
"A lot of people do not think it was an authentic certificate. ... Many people do not think it was authentic. His mother was not in the hospital. There are many other things that came out. And frankly if you would report it accurately I think you'd probably get better ratings than you're getting."
"Was it a birth certificate? You tell me. Some people say that was not his birth certificate. Maybe it was, maybe it wasn't. I'm saying I don't know. Nobody knows."
More than a year after Obama released his longform birth certificate, Trump tweeted: "How amazing, the State Health Director who verified copies of Obama's 'birth certificate' died in plane crash today. All others lived."