Any suspect arrested in the USA must be informed of four key rights. ‘You have the right to remain silent. Anything you say can, and will, be used against you in court of law. You have the right to an attorney. If you cannot afford one, one will be appointed for you.’

Hitler’s detention provided him with the opportunity to write Mein Kampf, his blueprint for power, and to rethink the tactics he would use to take that power in Germany.

The English writer Daniel Defoe was put in the pillory for seditious libel after publishing a politically satirical pamphlet.