You clearly have never fired a gun or have any idea of what the self-defense laws look like in the U.S. Even with Castle Doctrine laws, you are only authorized to use force if you are in imminent target of lethal or non-lethal force. Shooting people in the back as they take off with someone else's property is completely unjustified, as you not in danger. Before you continue dramatically dreaming up events to justify your philosophy, think about the hard working, law abiding citizen, who is just about to lose everything he ever will be (his life) from not complying with the muggers demands vs bankrupting his future defending his life in court.
Stuff like this should never happen, had that lawyer not stepped in to defend this man for free he would be bankrupt, and perhaps worse, plead out to a lesser crime. All because he refused to turn his back on a man with a knife.
You don't appear to be aware that the SCOTUS ruling where the police are in fact not responsible for your
In the end, who was really responsible for the lives of those 3 children? Now dead. The mother who wasn't keeping an eye
on them, or the police who failed to enforce the restraining order on the estranged husband in a timely matter?