All her family should also obtain open/carry gun permits.
Well, in the event that Sarah and Mike should have Arkansas CHLs I believe (if I my research was correct) they are recognized by reproprocity laws in Virginia, w. Virginia, DC. so, should be able to pack in these states. Just fyi Maryland does not allow CHLs.
She may already be carrying.
One of the primary rules of CHL is to deescalate the situation.
She did that and more.
The libs are the ones throwing fire bombs.