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At least three media organizations have "ordered their employees to destroy Donald Trump," Bill O'Reilly said this morning.

Sitting down with Bill Hemmer to analyze last night's second debate between Trump and Hillary Clinton, O'Reilly said he's "100 percent convinced" of the media plot against Trump.

"I'm talking about big conglomerates. ... News organizations have sent, not officially but through the corporate grapevine, [word] that we don't want anybody supporting Trump. If you study it, you can see which ones they are," he said.

O'Reilly said the first 30 minutes were crucial for Trump after the 2005 hot mic comments about groping women's genitals surfaced on Friday.

"That was the key to Donald Trump's life. Not just the presidential race, his life. If he had faltered in those first 30 minutes, his brand was done, he was done and the election was over and everything. But he didn't falter. He took what came at him and he turned it into at least a stalemate," said O'Reilly, calling that portion a "huge win" for Trump.

He said Trump was then able to go on offense for much of the final hour, "sometimes effectively, sometimes not."

Watch the clip above and more from Bill and Charles Krauthammer, here.

Don't miss O'Reilly's interview with Donald Trump, Tuesday night on The Factor at 8:00pm ET on Fox News Channel.

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