Did you file a police complaint when your ex threatened you? Request a restraining order? If so, what was the result?
You should be able to find Georgia rules and procedure here
How did you obtain the recordings?
What kind of drugs are you referring to?
How old is the child/ren?
Why is your ex on supervised visitation? Was it court ordered?
You refer to the other parent as your partner. That implies a current relationship. Are you still in a current relationship with this person and if so are you married? If not in a current relationship, are you divorced?
I agree. I can't see how the HOA has any liability.
What is really sad is that had this mentally ill man been placed in a secured treatment center, these 3 men would be at home with their families.