This was the first time a senior South African policeman was tried and severely punished for orchestrating the violence that has bled the country since 1984.
The first casualty was an African policeman employed by the British South Africa Company, killed 20 March.
South African policemen were eligible for the British King's Police Medal from 1909 to 1933.
Charles P. Williams was the first African American policeman in the L.A.P.D. to be killed in the line of duty.
The bearded priest said white South African policemen also questioned him and were based full-time in Transkei, despite South Africa's claims that the territory is independent.
"The base was not open to the public because it houses former A.N.C. members, who are now proud South African policemen and citizens," the police statement said.
But the majority of South African policemen tried to be law-abiding officers of justice; Krause and Krog were officers of terror.
STANDER - The true story of a white South African policeman who turns renegade.
The director of the Institute for Democracy in Africa, Paul Graham, asked "Why did South African policemen use live ammunition and interfere with a crime scene?"
The remaining 200 South African policemen transferred to help in the guerilla war were removed suddenly in August 1975, a move which appeared to precede even more disengagement.