FREDERIK JOHANNES PIENAAR
It was arranged that he would flicker his headlights and also switch on his left indicator light if those persons whom he was transporting were armed.  He also, once he had brought the vehicle to a standstill, had to try and get away from the vehicle as immediately as possible.  If the persons that he was transporting were not armed, he would not have to switch on the indicator light, he would just have to pull over to the left side of the road and get away from the vehicle.