Police visited Williams's home during the afternoon of Monday 23 August 2010, as a "welfare check" after colleagues noted he had been out of contact for several days [REF].
Williams was buried at Ynys Wen cemetery in Valley, Anglesey, on 26 September 2010, following a private funeral service at Bethel Chapel in Holyhead attended by his family, friends, former colleagues in the intelligence services, and also by the head of SIS, Sir John Sawers [REF].