QAnon adherents are used to dealing with predictions that have not come true. The conspiracy theory began in October 2017 when an anonymous internet user posing as a government insider posted on 4chan that Hillary Clinton was about to be arrested, that her passport had been flagged, and that the government was preparing for “massive riots”. None of that happened, nor did any of the myriad other arrests, declassifications, executions, resignations or revelations that the anonymous poster, who came to be known as Q, has promised believers for the past three years. But the movement has nevertheless grown in size and influence, becoming a meaningful force in theRepublican party and a motivating factor for many of the insurrectionists who attacked the US Capitol on 6 January.