The Case of the Disappearing Diamonds
The Case of the Disappearing Diamonds is a World in Action documentary film which reported on how billions of pounds' worth of gem diamonds were stripped from South West Africa (Namibia) over a 20-year period by the world's largest diamond mining company. It was broadcast by Thames Television on 28 September 1987.
Source: Wikipedia — The Case of the Disappearing Diamonds (CC BY-SA 4.0)