MPHITHIZELI NELSON NGO
Personally, I knew him as Constable Bokaba.  After a while when I phoned Adjudant at barracks - it was my ID book where I was supposed to have my money, he told me that is Sergeant Bokaba.  In other words, I knew after I'd been sentenced because I was supposed to get my ID, that is when I knew that he was Sergeant Bokaba and I was phoning from prison during that time.