A car bumper with the slogan of the QAnon conspiracy theory, which proposes that US President Donald Trump is in a great battle against a group of elite cannibals that comprise an American 'deep state'. Reuters
A car bumper with the slogan of the QAnon conspiracy theory, which proposes that US President Donald Trump is in a great battle against a group of elite cannibals that comprise an American 'deep stateShow more

Conspiracy theories: what makes people believe in nonsense?