Former 2016 Green Party presidential Jill Stein pushed back forcefully against former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE's suggestion that Stein and Rep. Tulsi Gabbard Tulsi GabbardRepublicans call on DOJ to investigate Netflix over 'Cuties' film Hispanic Caucus campaign arm endorses slate of non-Hispanic candidates Gabbard says she 'was not invited to participate in any way' in Democratic convention MORE (D-Hawaii) are Russian assets Saturday on CNN.

"I am not a Russian spy," Stein said on CNN's "Smerconish."

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Stein continued, "I think this is a completely unhinged conspiracy theory for which there is absolutely no basis in fact, not for myself and not for Tulsi Gabbard. I think it's really outrageous that Hillary Clinton is trying to promote this crazy idea."

On a podcast Thursday, Clinton called Stein a "Russian asset." The former first lady and New York Senator also said that one of the 2020 Democratic candidates was the "favorite of the Russians” to win the 2020 election.

While Clinton never mentioned Gabbard by name, it was clear that she was referring to the Hawaii congresswoman, who has been repeatedly accused of having ties to the Russian government.

Later in the interview, Stein went on the offensive herself, saying that Clinton's comments show "Hillary's need to try to explain, perhaps to herself, why her campaign was not successful."