[ninenot]

So if YOU were at the cash register, armed, exactly what would you have done? Shot the perp in the back?

Yes.

You will go to jail for (minimum) manslaughter, possible 2nd-degree murder. In ALL States, it is illegal to shoot ANYONE in the back, as they are not a threat if they are walking/running away.

Same-o with shooting in his truck--more jail time unless he was pointing the weapon OR the truck at you.

Easy. About 3 months, ago, factory shoot-em-up in Mississippi. About 2 months ago, another factory shoot-em-up in Indiana.

Happens all the time.

[Taipei Personality]

In ALL States, it is illegal to shoot ANYONE in the back, as they are not a threat if they are walking/running away.

In my state, at least, this is not true. Each case is investigated separately. In at least one of the training classes I have taken the instructor used the example of a BG running away from you while shooting over his shoulder in a shoot/no shoot example. The answer was shoot.