Civil Liability For Acts Of An Off-Duty Officer

After reading Civil Liability for Acts of Off-Duty Officers, I've come to the realization that there are many possibilities and outcomes dependent upon the situations off-duty officers put themselves into. When off-duty officers act upon situations that they would normally face when on duty, they are fully liable for the decisions they make. In this specific event, as an off-duty officer, I witnessed a man and a woman arguing where the man then pushed the woman, and I, the officer decided to intervene and the situation escalated to the point of a death, I would be civilly liable for the mans death. Before the situation got to that point, there are multiple things I could have done differently; such as evaluate the situation to see how things