Quote Originally Posted by ekoplex View Post
Get a taser gun they are really cheap, one shock to the head and they are out, stronger tasers even kill them. I dont personally do this but i know a friend who does. Not everyone can afford the Co2 method. And all other methods are not for the faint hearted, e.g snapping there necks.
Check Wal-Mart for Dry Ice. Some places even sell $2 portions, enough for a Gas Chamber.