VIDEO-Hillary Clinton: I will reveal truth about UFOs if I become America's next President - Mirror Online

Hillary Clinton has vowed to "get to the bottom" of UFOs if she becomes the next President of the United States.

And the Democratic presidential candidate believes we may already have been visited by extraterrestrials.

Responding to a question about UFOs from a journalist while campaigning in New Hampshire, she reportedly said: "Yes, I'm going to get to the bottom of it."

Clinton, who could become America's first female president if elected in November, also said she would send a "task force" into Area 51 - a top secret base in Nevada where UFO enthusiasts believe alien technology is being back-engineered.

John Podesta, her campaign chairman, has previously called for the release of all UFO files as the “American people can handle the truth”.

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Last year he famously tweeted his biggest regret of 2014 was not securing the release of the UFO files before he retired.

He said: "Finally, my biggest failure of 2014: Once again not securing the #disclosure of the UFO files. #the truthisstilloutthere".

Read more:John Podesta: Outgoing Barack Obama adviser reveals regret over failure to disclose secret UFO files

Podesta was also her husband Bill Clinton's chief of staff when he was in the White House and a top advisor to President Barack Obama.

Hillary said: “He has made me personally pledge we are going to get the information out. One way or another. Maybe we could have a task force go to Area 51."

Last year Bill Clinton told US chat show host Jimmy Kimmel he wouldn't be surprised if alien life visited Earth but said he hoped it "wouldn't be like Independence Day".

He also said he had looked into Area 51 but added: "There are no aliens there."

When asked about her husband's comments, Hillary said: "I think we may have been (visited already). We don't know for sure."

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In 1993, Clinton, when he was president, was approached by billionaire Laurance Rockefeller to release all UFO files to the public.

The Clintons even met with the philanthropist and financier, part of the American banking dynasty, at his ranch in Wyoming in August, 1995, as part of the so-called "Rockefeller Initiative".

Retired detective constable Gary Heseltine, who has been researching UFOs for 40 years and edits UFO Truth Magazine, said: "I am well aware of the Rockefeller initiative and that both the Clintons were heavily involved in it.

UFO detective: Gary Heseltine has welcomed Hillary Clinton's pledge

"It was inevitable that Hillary Clinton would be asked questions about her links to it and I am pleased that she has responded to them.

"She cannot run away from those links so she really has to embrace it in order to remain credible. It will be interesting to see how much of a political issue it will become in her presidential campaign."