um..... well considering firing squad, is SUPPOSED to aim for the head/heart i'd take that... seems to be the quickest and least painless.... i mean cuz there's lots of speculation on whether or not injection is painful, i know getting eletrecuted would not be fun since i am the 'handy man' around here and have been shocked by nearly every outlet in this house..... um.... never really was sure what gas chamber actually uses (whether you just suffocate or whether it's a nerve toxin)