Wiltshire | Marlborough, Wiltshire | Royal Ulster Constabulary | Thomas Boleyn, 1st Earl of Wiltshire | Tisbury, Wiltshire | Royal Irish Constabulary | Jamaica Constabulary Force | Stockton, Wiltshire | River Bourne, Wiltshire | Wiltshire Regiment | Tytherington, Wiltshire | Royal Papua New Guinea Constabulary | Philippine Constabulary | Holt, Wiltshire | Hindon, Wiltshire | Her Majesty's Inspectorate of Constabulary | Chute, Wiltshire | Box, Wiltshire | Avon and Somerset Constabulary | West Midlands Constabulary | West Lavington, Wiltshire | Wanborough, Wiltshire | Ulster Special Constabulary | Stephen Wiltshire | Sevenhampton, Wiltshire | Frontier Constabulary | Cumbria Constabulary | Civil Nuclear Constabulary | Chilmark, Wiltshire | Wyvern College, Wiltshire |
Mackey previously held senior roles as Chief Constable, Cumbria Constabulary, in addition to chief officer posts in Wiltshire Constabulary, Gloucestershire Constabulary and a specialist staff officer role in Her Majesty's Inspectorate of Constabulary (HMIC).