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.
Independent body representing the interests of professional and private investigators in the UK and worldwide. David Palmer, principal at the time of the Inquiry, reported that its preference would be licensing of the profession by regulatory authority. "Self-regulation without statutory backing would be ineffective," he said.