In June, the policeman accused of hitting Tomlinson was told he will face trial for manslaughter.
A second trial is expected in the case of six policemen accused of executing several gang members last year and of killing witnesses to the executions.
The defendants are two white police captains, a white sergeant and four black special, or auxiliary, policemen accused of the actual killings.
They were picketing the house of the policeman's lawyer, demanding an end to legal defense of policemen accused of shooting blacks.
Porter was a policeman accused of beating a long-haired kid to death.
The acquittal of policemen accused of raping a young girl Mathura in a police station led to country-wide protests in 1979-1980.
But the President said five policemen accused of taking part in the squads were being withdrawn from duty until the accusations against them have been examined.
Rene Bousquet, a former policeman accused of deporting 194 Jewish children, was killed in 1993 before he could be tried.
The distinction is murkier in considering the policemen accused of participating in hit squads that murdered opponents of apartheid.
Back in the apartment, I asked her about the coming trial of the four policemen accused of killing Amadou.