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.
Formed in 2007, the National Policing Improvement Agency was a non-departmental public body in the UK, established to support the police by providing expertise in such areas as information technology, information sharing and recruitment. Karl Wissgott, Head of National Police Computer Services, gave evidence. The agency was dissolved in 2013.