As I’ve noted, and we will see in coming weeks, there is much more to this guy’s background then is being made public.
Watch and see. Again, nobody ‘just snaps’. Its a myth. There is always a ‘previous history’ of incidents, that perhaps didn’t draw much attention when they occured, but in hindsight its clear as a bell.
Those same incidences can be seen in most people. If you never hurt anyone, no one thinks much about though. Why do most people live normal lives but occasionally one will cross the line?