We are given practice scenario:

Six members of the Police Protection Unit of President X push the vehicle off an unsuspecting road user Y and his family. They jump out with firearms, threatens the occupants, pulls them out of the vehicle and throws them on the ground down. As they threaten to shoot the occupants, they kick and punch them the occupants continuously:

Are the protectors guilty of a crime?

If so, what crime or crimes?

Give an outline of the crimes that must be described on the charge sheet become Refer to the relevant article(s), if any, in the Criminal Procedure Act 51 of 1977.

This happend recently in South Africa. How will I awnser this scenario given?