September and October 2012 – The Jimmy Savile child abuse scandal breaks fuelling a litany of historical sex abuse allegations.
October 2012 – Labour MP Tom Watson claims during Prime Ministers Questions in the House of Commons that there is “clear intelligence suggesting a powerful paedophile network linked to Parliament and No10”.
November 2012 – Rochdale MP Simon Danczuk uses parliamentary privilege to claim that Cyril Smith was a “29-stone bully” who sexually abused boys. He says new alleged victims have come forward in the wake of the Savile scandal.
November 2012 – The Crown Prosecution Service revealed they considered allegations against Smith in 1970, 1998 and 1999 but rejected them on each occasions. The CPS and Greater Manchester Police admit Smith should have been prosecuted.
December 2012 – Scotland Yard confirms that Operation Fairbank has been set up to examine allegations surrounding Elm Guest House in Barnes, south west London, where it was claimed prominent men, including politicians, abused young men in the 1970s and 1980s.
February 2013 – Operation Fernbridge is formally launched to investigate the alleged paedophile ring connected to Elm Guest House.
December 2013 – Police search the home of Lord Janner as part of an investigation in to historical child sex abuse allegations. The peer is not arrested.
June 2014 – Lord Janner’s Westminster offices are searched by police. The peer is not arrested.
July 3, 2014 – It emerges the Geoffrey Dickens 1983 dossier has disappeared. The Home Office can find no record of it or any subsequent criminal inquiry. Lord Brittan amends his story twice over his dealings with the original document.
July 5, 2014 – More than 10 current and former politicians are reported to now be on a list of alleged child abusers held by police investigated claims of a Westminster paedophile ring.
July 6, 2014 – Home Office permanent secretary Mark Sedwill reveals that 114 files relating to historic allegations of child sex abuse, from between 1979 and 1999, have disappeared from the Home Office.