a threat, a dangerous threat, a life threatening threat.
Are these standards reflected in the statute that applies?
I have a recommendation at least in Texas and similar states with laws applicable to coming onto people's property with an attitude, and remaining in a belligerent and aggressive attitude after being told to leave. "Get the fuck off their property ASAP!"
I'll reserve comment on the "choice of weapon" decision for the defense of one's property and/or person on their property.
"Ex" husbands and wives need to "move on" and find something more profitable to do than to die.