The greatest potential for fraud is the motor-voter law in several states. It effectively removes any way of establishing citizenship, and invites illegals to vote with impunity. That and ballot harvesting are clear and present dangers already responsible for some invalid elections.
NY CA are states where once you pass your driving license you are registered to vote. Before you take your test you are not asked if you are a citizen thus illegals take a test, get a license and then will get a mail in in order to vote.
Hey twitter check your facts.