I bet you that if he could take it all back, he would of just cleaned his room instead of trying to bump her off. j/k

Seriously though, he deserves it. They live in the country and he has his own gun. So you know he was shown how to use it and probably been hunting for years. It might be one thing if he was not aware of the seriousness of this or wasn't old enough to know, but I am sure he is fully aware of what he did.