Originally Posted by Fetish Gimp

And because of this accident if convicted the guy will spend up to three years locked in prison, might lose his appartment/house since he'll be in prison, unable to pay rent/mortage, and when he comes out he'll have a prison record which will reduce his employment and housing opportunities, and be on parole which if he violates, by getting into another fight for example, will send him back to prison.

This is why taking justice into your own hands only works in westerns, rarely does it work in the real world.