What would/has motivate you to kill someone

Lol @ including "has".

somebody even touching my youngest sister.

When my sister was killed in Kandahar,Afghanistan.

Money but haven't worked the plans out yet. 😉

Vengeance, personal gain.

If they hurt someone I love.

I don't know

Hm, It would have to seem approved by God in some way and it'd have to be in self defense. I doubt it'd ever happen in any circumstance because God does not really come down and say "hey, you get a pass"