Flee youthful lusts which war against the soul. You can’t play with fire and not get burned. Thou shalt not lie. Hell hath no fury like a woman scorned. Idiots with guns or any weapon is a no-no.
That should cover all the routine sound advice maxims that were broken. I would guess there is an algorithm that plugs in different factors which leads to physical harmful actions.
The other possibility is drugs like steroids.
Athletes who take them can have rage issues which could lead to murders that would never have happened if the drug had not been a part of the picture.