Simon Fernandes time and piracy was an offence punishable by hanging, but in practice Fernandes was engaged in exactly the sort of behaviour to which Queen Elizabeth I of England was inclined to turn a blind eye. However, the Portuguese ambassador Francisco Giraldi vigorously protested Fernandes's activities to the Queen's ministers, after the alleged murder of seven Portuguese sailors, and in 1577 the 39-year-old Fernandes was arrested in Cardiff and taken to London to face trial. However, far from being hanged for his crimes, Fernandes was released, apparently with the connivance of Queen Elizabeth's spymaster Sir Francis Walsingham, who appears to have
Francis Walsingham covert means for Mary's letters to be smuggled in and out of Chartley in a beer keg. Mary was misled into thinking these secret letters were secure, while in reality they were deciphered and read by Walsingham's agents. In July 1586, Anthony Babington wrote to Mary about an impending plot to free her and kill Elizabeth. Mary's reply was clearly encouraging and sanctioned Babington's plans. Walsingham had Babington and his associates rounded up; fourteen were executed in September 1586. In October, Mary was put on trial under the Act for the Surety of the Queen's Person in front of 36