For centuries, the Knights Templar, a militant monastic order founded in the 12th century, has attracted numerous conspiracy theories. Accused of devil-worship in their own time, the organisation has since been linked to everything from the Holy Grail, to ‘discovering’ the Americas. In the second season of our Conspiracy podcast series, Rob Attar speaks to Steve Tibble about the myriad theories, including the notion that the Templars endure to this very day