Of course one alternative to this is to restore capital punishment, but I'm not sure I would be for that. I'm not sure it's right to take an eye for an eye.
I don't know how you can say you are pro-life and then be gung-ho about unrestricted access to weapons and capital punishment, those things don't match to me, even according to the same set of morals.
There were actually a lot of people, there was a large anti-death penalty movement where Sometimes used to the idea that this is the error of the Western justice and everybody is for capital punishment.