Link here - https://www.theguardian.com/media/2007/feb/26/pressandpublishing.uknews

Guardian journalist Nick Davies published Hack Attack and spent years doing investigative work to expose one of the biggest most shocking news stories of the decade. In July 2011, revelations that journalists hacked the phone of murdered schoolgirl Milly Dowler created public outrage. But we were soon to learn this was just the tip of the iceberg. The revelations that followed revealed a scandal that has since engulfed Fleet Street, Scotland Yard and Downing Street..

https://www.gov.uk/guidance/wormwood-scrubs-prison

There is a lot of evidence about the former Mirror editor and hacking, but how much has he already admitted? More than you might think reveals, Brian Cathcart..

https://bylinetimes.com/2020/01/21/piers-morgan-and-phone-hacking-what-even-he-cant-deny/