Yeah, so we all know Hillary Clinton and WikiLeaks' Julian Assange aren't the best of friends.

Well, now it's heating up. In an excerpt of an interview set to air on Australian TV program 4 Corners on Monday night, Clinton accused Assange of colluding with Russia to harm her presidential campaign.

SEE ALSO: Hillary Clinton calls Trump the most dangerous president in U.S. history

"I think Assange has become a kind of nihilistic opportunist who does the bidding of a dictator," she said.

Responding to a question about Assange being seen as a martyr for free speech, Clinton said he is "a tool of Russian intelligence" and asked why WikiLeaks doesn't publish anything coming out of Russia.

She claimed WikiLeaks stole information instead of receiving it, and worked closely with Russia and people in the U.S. to "weaponise that information" against her, allowing Trump to win the presidency.

"I lost the electoral college by about 77,000, and what we're finding out is that there had to be some very sophisticated help provided to WikiLeaks ... to know how to target both their messages of suppression and their negative messages to affect voters," she told the program.

Clinton pointed to the timing of WikiLeaks' release of emails from Clinton's campaign manager at the time, John Podesta, and how that softened the blow of Trump's "grab her by the p*ssy" tape.

"I've no doubt in my mind that there was some communication if not coordination to drop those the first time in response to the Hollywood Access tape," she said.

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Assange responded to the claims on Twitter Monday morning, saying there was "something wrong" with Clinton, and accused her of being a "constant liar."

There's something wrong with Hillary Clinton. It is not just her constant lying. It is not just that she throws off menacing glares and seethes thwarted entitlement. Watch closely. Something much darker rides along with it. A cold creepiness rarely seen. https://t.co/JNw2dkXgdu — Julian Assange 🔹 (@JulianAssange) October 15, 2017

Welp, now this should be a good interview then.