Education
Born in Lincoln, Troop began his working life as a mechanic, but later studied economics and social sciences at Ruskin College, Oxford.
Born in Lincoln, Troop began his working life as a mechanic, but later studied economics and social sciences at Ruskin College, Oxford.
After these studies he attended the Agricultural College in Avon Croft, Evesham, Worcestershire. On 19 June 1936, he joined Lincolnshire Constabulary. He was employed in various departments, but later specialised in traffic.
He rose to the rank of sergeant.
After the Second World War, he founded the International Police Association to be a global police friends club He believed in the positive qualities of friendship, which is why the motto of the association is "Serve through friendship", also rendered "Servo per Amikeco" in Esperanto.