"Shall we play a game once more," the shady figure behind the global movement posted Friday night on the online chat form 8kun, which was formally 8chan.
Followers recognized the post from the original Q's distinctive signature on the forum. Although his identity has never been shown, linguistic researchers think that Q is computer entrepreneur Ron Watkins, the founder of the internet chat space.
His cryptic messages on 8kun created a global movement that pushed the conspiracy theory that Donald Trump was recruited by the military to bring down the imagined Satanistic cabal.
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QAnon followers were part of the group of rebels who attacked the Capitol Building on January 6 to prevent the certification of the 2020 Presidential Election results.
Disinformation researchers think that Q's reemergence coincides with the U.S. Supreme Court's recent controversial choice to overturn Roe v Wade, which was met with nationwide protests.
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"Leveraging social and cultural instability has kind of been a hallmark of QAnon for a very long time," Montclair State University associate professor Bond Benton explained to the New York Times. "This very much throws gasoline on the fire and leverages the fear that people have about the future."
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The new post seems to echo a scene from the 1980s movie "War Games" in which a computer hacker played by Matthew Broderick breaches a Department of Defense computer and almost sets off a nuclear war believing he's only playing a computer game.
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Followers wondered where their chief had been after all these years.
"Throw us a bone Q, we've all been waiting for what seemed like an eternity. What's going on?" an anonymous member of the forum asked Friday.
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Typical of the inscrutable leader, the answer was minimal.
"It had to be done this way," Q replied.
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And later, in a different indecipherable post, he wrote, "Are you ready to serve your country again? Remember your oath."
The 8kun messages were copied and posted on Twitter by Daily Beast writer Will Sommer, who wrote about the subculture.
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QAnon started out as a fringe group on the obscure 4chan internet forum in 2017 yet grew into a global movement that propagated wild conspiracies, including one that announced there was an international child sex ring run by Democrats operating out of a Washington, D.C., pizza shop called Comet Pizza.
Watkins, who is is running a flagging campaign in Arizona for a seat in the House of Representatives, has denied that he is Q, though he has backed QAnon conspiracy theories.