I am only speaking for myself...Excaliber wrote:
1. IANAL, but from the facts as presented, I don't see a clean case for use of deadly force under the circumstances (no weapon, multiple attackers, disparity of force, etc.). One could make an argument that a single punch to the temple could create serious bodily injury, but it wouldn't be clear cut by any means. Keeping it on the hand to hand level even though you were armed showed great restraint. I hope this was documented in the police report - it may well come in handy later. Folks without your level of physical fitness and skill might well not have had this option, but you did and you used it to come out of the situation about as successfully as is possible under the circumstances. Outstanding work!
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It would be wise to regard him as extremely dangerous. Special precautions should be taken at the two places where one can most predictably be found - at home and in the workplace. In your individual circumstances, there may be others as well (the gym, for instance). The danger will remain as long as the subject is focused on you and yours.
While this is an interesting analysis, the first and last points are contradictory. Anyone who is extremely dangerous, and is attacking you justifies deadly force, provided that you were in fear for your life (I know I would be, I am way past my H2H days)
I lived this exact situation (wife's ex) in a state where all the law abiding citizens were disarmed, and deadly force was a remote and dicey option (from a legal standpoint) in the home. We had plenty of situations (especially the wife) where she lived in fear of what he was going to do next. This went on for 12 years. It's hard to make that call at the front end of the situation, but 12 yrs later, I would make no apologies for using the word "opportunity".
It sounds like the original poster (like we were) is forced to walk on eggshells around this guy until he decides that he doesn't want to be a bother anymore.
My heart goes out to you and your family, and may God get you thorough this.