Particularly, if supporters show up openly armed with civilian style assault weapons, which is almost certain to happen in some States with open carry laws. Some of the States, nearly all Republican with open voter challenge laws are going to get out of control. What do you do when someone carrying an AR15 or AK47 challenges your right to vote because you "look like a democrat or a potential illegal alien?" Some of these people are just nuts, sorry but truly deplorable. Certainly a minority, but mobilized and feeling enabled by Trump.