Edit: Thinking this through another possibility that should be listed is deliberate Republican cross-over (since it is an open primary) but given the evidence that seems of negligible probability at this point (< .01)).
I would count that under “voters actually voted for him”
I would count that under “voters actually voted for him”
Ok. Yeah, so that should probably be a subcategory of that in that it explains the weird results in a sensible fashion.