sentences: "He also asked the Leader of the House of Commons to "investigate the security implications of diaries found in the diplomat's London flat which contained accounts of sexual exploits".The Attorney-General, Sir Michael Havers, replied, "I am in agreement with the Director of Public Prosecutions' (Sir Thomas Chalmers Hetherington, QC) advice not to prosecute Sir Peter Hayman and the other persons with whom he had carried on an obscene correspondence," adding that, while Hayman had been found to have received pornographic material through the post, it was not of an extreme nature, was non-commercial and in a sealed envelope, so did not warrant prosecution.