Actually, Tony Martin was in prison for much longer, had to pay the perp for shooting him, as well as going through all the frustration of being the 'bad guy' in all of this. His house had been broken into around 24 times when he'd had enough. He got into trouble because he had an 'illegal' shotgun and because the guy that died had been shot in the back. He was running away. I think it stinks, the cops said he should have let them go; but if it'd been me, I'd have done the same. How would Mr. Martin know they weren't going for guns or knives intending to come back!
We had recently a farmer shooting and wounding two guys he found loading his quadbike to their ute... and of course the silly state indicted him.
I don't remember the outcome, but the Federated Farmers provided him with a lowyer and led a a huge public campaign for his exoneration.
I say, they should award them both - that is, Tony Martin and the NZ farmer - medals for bravity and contribution to the public security.