Born 1962. Deputy Commissioner of London's Metropolitan Police Service. Held senior roles within Cumbria, Wiltshire and Gloucestershire Constabularies, as well as a specialist staff-officer role in Her Majesty's Inspectorate of Constabulary. He gave the inquiry his view on managing relations with the press in Cumbria. Mackey was awarded the Queen's Police Medal for distinguished service in 2009 and appointed a Knight Bachelor in the 2018 New Year’s Honours for services to Policing.
