"If you seriously think an American soldier is going to fire on the
country's citizenry (unless his or her life were in danger), you've been
hanging around the wrong armies.
Our troops would not only refuse such and order but most likely shoot
the general who ordered it."

Waco, for openers.

Our current and burgeoning "army" of SWAT teams and militarized police
forces seem to have few to no qualms about shooting civilians (and their
dogs, too, just for good measure).

The preponderance of such units is increasing. Did you realize that even
the Railroad Retirement Board now has its own SWAT team? (per Mark Steyn)