Well, I hope your bark is worse than your bite, because if you actually do that, you may bitterly regret it.
i agree. legally in colorado, even if they are in your house, shooting them in the back is an indication your life was not in imminent danger. shooting them after they left the house, especially in the back, is not legally defensable. these are situations where the right decision, even perhaps the morally correct decision, is legally the wrong decision.
They had a gun and beat him and stole his property, had his property with them. In Texas, you can protect your property as well as yourself. I would have shot them.