So the father has come out made claims he had full knowledge of what was planned.
Hasnt reported the plan to police who would have immediately interviewed the daughter and removed the firearms.
*PS In WA if you are having any issues with someone you ring police and firearms will be stored at police station if there are any concerns.
Like I said, this will not be simplistic.
No he hasn't, not even remotely so. You are a genuinely terrible person who has single-handedly ruined this board. Try to muster some decency.
Shame on you.