Former Deputy Assistant Commissioner of the Metropolitan Police Service, Akers joined the force in 1976 and retired at the end of 2012, having led Operation Weeting, investigating the News International phone-hacking scandal, and the related Operations Elveden and Tuleta, respectively investigating inappropriate payments to police officers and other public officials and computer hacking. Akers was awarded the Queen's Police Medal in 2007 and appointed Commander of the Order of the British Empire (CBE) in the 2013 Birthday Honours for services to policing.
Surtees joined the Metropolitan Police Service in 1988 rising to Detective Chief Inspector within the Specialist Operations Unit. Told Inquiry of his involvement in an extensive live exercise to test police, government and military readiness in respect of security for the Olympic Games in 2012.
Detective Sergeant for the Metropolitan Police force, Williams had been involved in many operations within Organised Crime Group, Specialist Operations and Anti-Terrorism branches. He led the police inquiry into hacking allegations in 2006 and gave evidence to the Inquiry about the early investigations of Operation Caryatid and his interviews with Glenn Mulcaire, then of the News of the World.