0 someone who does not believe the generally accepted explanation for an event or situation and thinks it is the result of a secret plan made by powerful people:
He is a truther - one of those who believes that 9/11 was some sort of government operation.
Here are a few persistent "truther" arguments and explanations as to why they don't hold up to scrutiny.
Choose one of the truther arguments below, or scroll to read through them all.