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.’

Having previously served as a senator and later military governor for the state of Tennessee, Andrew Johnson was chosen by Abraham Lincoln to be his running mate in the election of 1864.