No, if that happened in the UK it would be murder.
Sadly, young Oscar's defence is a bit undermined, no actually it is shattered and thrown into the ocean by witnesses saying they heard a woman screaming followed by the shots. Nothing in his defence evidence has so far refuted that, apart from him denying it happened. Trouble is it's a number of witnesses who said it, all independent of each other which lends a great deal of credence to what they say. None of them has a reason to be dishonest about it, and having a number of people say pretty much the same thing is very good evidence.
Ghoti, I had a look at the SA law on Slef defence. It's departed from ours in some ways (in the same way the US's has, which again is based on the English system), but not drastically. In any case, there's nothing there that supports his contention that it was self defence, as I said, like it or not, at no point was whoever was in the bog a threat to him. If it had been a burglar (and why a burglar would go into a loo anyway!), then he was cornered. Oscar had nothing to suggest that the person was armed, or trying to bust out so his actions were a massive over reaction. No matter how much he thought it was a burglary, he