Millions of Americans are tuning into an alternative US election campaign. This one isn’t full of sobering news about the pandemic, the Supreme Court and the American economy – instead it’s filled with chatter about elite cabals, rumours and allegations of the most vile crimes.

The rabbit hole election is a subterranean campaign taking place online. And there's one conspiracy theory in particular that is spreading widely and is becoming increasingly well-known among voters: QAnon.

At its heart is the completely unfounded claim that Donald Trump is fighting a secret war against a “deep state” of satanic paedophiles. But could this unhinged idea actually have an impact on the upcoming election? We’ve been investigating.

Presenter: Mike Wendling
Reporter: Marianna Spring
Producer: Ant Adeane