Donald Trump said on Fox and Friends this morning that he believes the 9/11 hijackers would never have gotten into the country if his immigration policies had been in place at that time. 

"There's nobody strong on the borders than I am. Had my immigration policy been put forth, you wouldn't even have had these people in the country," he said in the phone interview.

Trump said the failure to stop the 9/11 attacks stemmed from "tremendous disorganization" within the Bush administration at the time, especially between the CIA, FBI and NSA.

He was asked whether his attacks on the record of George W. Bush could hurt him in the upcoming South Carolina primary. Trump responded that he's only concerned with telling people the truth.

"I tell the truth. The war in Iraq was a disaster. The war in Iraq, when you talk about the migration, when you talk about all of the problems that you see today, the war in Iraq started it all. That was the beginning. Unfortunately, you know, I was against the war in Iraq from the beginning," he said. 

Trump also called for the release of still-classified documents from the 9/11 Commission Report.

"Open the documents because frankly, I think you're gonna see that it was Saudi Arabia. It wasn't Iraq. Most of the people came from Saudi Arabia," he said.

Watch the full interview above.