This video shows how guns are often used to keep the peace without ever being discharged. At the neighborhood level they are kinda like nukes at the world level. They keep things from ramping up.
There is nothing more dangerous to a perp than a PRIVATE CITIZEN with a gun and the will to use it. They are much more free, legally, to use lethal force than cops are.
it’d be interesting to see what the twerp had in his backpack...