I have an odd question:
Has there been something recently in the media to put this scenario into peoples minds?
Has there been a show on cable or Netflix picturing a lone Asian adult butchering other Asians, many who never met the assailant? Some people are extremely suggestable, and are just one triggering thought away from acting out a violent thought.
This is one reason I was never a fan of TV shows such as Dexter, which lasted for 8 seasons.
I always thought it rather ghoulish and unhealthy for the general public.
There have been horror films about controlling or affecting people through television.