Although it relates to becoming a criminal profiler in the USA & UK, you should still find the following link useful. As you'll see from the article, very few people get to become criminal profilers.
I imagine the situation will be very similar in South Africa. You might want to contact The Psychological Society of South Africa which has a Division of Neuropsychology and Forensic Psychology. To visit the society, just click on the following URL and scroll down to the South Africa link.
