In August, Mlilwana he made a statement about police corruption to the police watchdog, the Independent Complaints Directorate.
BBC: News | Africa | 'Police helped South African car-jacker'
The Independent Police Investigative Directorate said a postmortem showed the cause of death to be head injuries and internal bleeding.
South Africa's police watchdog - the Independent Police Investigative Directorate (IPID) - is examining the video as part of its investigation.
The police service said it would give its full support to the Independent Police Investigative Directorate as it looked into Mr Macia's death.
Independent Police Investigative Directorate (IPID) spokesman Moses Dlamini said his organisation was investigating the incident and that it too was shocked by the footage.
The number of police-related deaths last year totaled 797, more than double levels from a decade earlier, according to figures from the Independent Police Investigative Directorate.
With the situation "still unfolding" at that time, "senior officials from the Independent Police Investigative Directorate" were managing the scene, according to the South African Police Service.
The eight policemen, who had earlier Friday been suspended from active duty and disarmed by the country's police commissioner, will appear in the Daveyton Magistrate's Court on Monday, said Moses Dlamini, a spokesman for the Independent Police Investigative Directorate, a government arm that investigates potential criminal offenses by police.
"We are shocked by this incident, " said Moses Dlamini, a spokesman for the Police Investigative Directorate, an independent government agency that looks into possible crimes by police.
Officers from the Directorate of Professional Standards have been informed and the Independent Police Complaints Commission is investigating the circumstances surrounding the chase.
The shooting is being investigated by Scotland Yard's Directorate of Professional Standards, and will be referred to the Independent Police Complaints Commission.
应用推荐