i would guess its a relationship issue, the shooter knew the person/people and they were targeted
One of the traditional opening moves in a modern (post 1900) coupe is to delegalize the government. The fastest way to do so is prove that it can not protect itself much less its citizens.
Thus it was in Cuba in the mid 1950s (Castro) and South Viet Nam (Vietmin/NVA).
Has it come here?