If that's not abuse of authority/power, I don't know what is.
Aren't they only supposed to use weaponry to subdue a hostage when there is a clear action risking their safety or someone else's, that cannot be stopped any other, non-violent, way? I can't see an old lady posing much of a physical threat to anyone, unless, maybe, if she was waving a gun around. "Resisting arrest" is paperwork, not an excuse to whip out and use a weapon on the person.
Man, if that was my mother, I'd have that pig's head on a stick.
