conspiracy theory

Uncomfortable as it may be for us to recognise and address, a thread of antisemitism has been present in parts of the Left for many decades
Prof Piers Robinson told Sputnik that 'powerful actors in the British government and so on [are] very, very concerned'.
Critics claim the academics are ignoring the crimes of Assad's regime; they say they are "truth-seeking".
Facebook's CEO finally shut down one of the internet's oldest theories.
I can confidently say that the UK has a long way to go before reaching the sorry depths of spin, denial and conspiracy theories one sees in the USA
Bizarre conspiracy theory is 'upsetting elderly and vulnerable people', says authority.