But maybe the sequence wasn't quite what the family said ~ maybe she had a psychotic break and shot her dad.
Maybe he just told her she is to marry some 80 yr old guy.
I’m more inclined to believe it’s a religious-cultural/firearms stupidity thing. We had it happen right here in CA on a job with someone of that persuasion who found a gun, and when admonished for pointing it at everyone while handling it, dropped the magazine and proceeded to point it at their own head and pull trigger to demonstrate “emptiness” when one of my coworkers snatched it out of his hand and racked the live round out of the chamber.
This guy was an engineer too...