Fox News’ Brit Hume took on former Democratic Rep. Jane Harman on “Fox News Sunday” about a possible Benghazi cover-up.

“It wasn't a conspiracy. And there aren't aliens in Area 51, and Vince Foster wasn't murdered. And it's time to move on and focus on the real problems in Libya,” Harman said.

“The question was whether in the aftermath of the attack, when the administration sent its U.N. ambassador out to explain it to everybody, and she did so falsely, that there wasn't a conspiracy to create the false talking points that she used,” Hume responded.

“There wasn't a conspiracy. They didn't turn out to be accurate,” she said.

“Well, how did it happen?  Well, how did it happen?” Hume fired back.

“I think that people made, at the time, their best guess at the facts,” she said.

Hume was on “The Factor” this evening to discuss Benghazi. He said this has looked like a cover-up from the beginning.

“The story they told never really fit the facts, but it did fit one thing: it fit the needs of the president up for re-election and of a secretary of state hoping to succeed him.

Hume said there's a great danger of a bungled investigation with Democrats not participating and obstructing. He said that in past investigations with bipartisan cooperation, the media has been more invested.

“By and large, the media have not been interested in this story,” Hume said.

Check out more on the latest about Benghazi:

Attkisson: WH Strategy Is to Paint Benghazi As 'Delusional' Right-Wing Conspiracy Theory

Cruz: Dems Stonewalling Benghazi Investigation

Judge Jeanine to Obama: 'You Have Defrauded the American People'

Krauthammer on Benghazi: Video Narrative Aimed to ‘Politically Exonerate’ Obama