Submitted in response to written requests from the Inquiry, usually providing lists of questions to be answered. In most cases these formed the basis of questioning in public sessions, but in some cases they were read into the record (or taken as read) and the witness did not appear in person.
Given by witnesses invited by the Inquiry, normally after they have made written statements. These sessions could be viewed live online and sometimes on television news services, and the video recordings are part of the archive. The statements were usually released to the public after the public sessions.
At the time of the Inquiry, Richards was Chief Executive of Ofcom, the independent regulator for the communications industry in the UK, stepping down in 2014. He told the Inquiry that he thought any proposal for editors to be part of a new regulatory board, as proposed by Lord Black, would not work. Previously worked as a senior policy adviser to Prime Minister Tony Blair, and before that as Controller of Corporate Strategy at the BBC.