Joseph Meehan wrote:
Likely true, at least I hope so, that guard should not have used
deadly force if there was not a clear threat.

However the point is it was a guard, not an civilian.

Consider what might have happened if three or four would be heroes
were running around with guns shooting each other.

As it turns out, the woman was NOT a guard, she was a member of the church
who volunteered and used her own weapon.