Born 1957. Journalist and author and former press secretary to Tony Blair as Leader of the Opposition (1994-97) and as Prime minister (1997-2000). From 2000-2003, he was director of communications for the Labour Party (2000-03). Before 1994, he had been political editor of Today newspaper and the Daily Mirror. Campbell gave detailed testimony on the political media and what he saw as the decline of genuine investigative journalism and the increasing tendency of owners, editors and senior journalists to wish to be political players. Embellishment and pure invention were tolerated and encouraged by some editors and owners, he said.
Ken MacDonald was a former Director of Public Prosecutions of England and Wales and head of the Crown Prosecution Service. He was previously a Recorder (part-time judge) and defence barrister. A Liberal Democrat life peer, he gave evidence on the early Metropolitan Police investigation into phone-hacking.