ABC News and Univision have also tracked an organization called True the Vote, which claims it is fighting voter fraud. But critics have said that the organization and other similar groups are subtly trying to suppress turnout from minority voters who tend to vote for Democrats.
Also, some concerns have cropped up over election monitors who come from countries that are ranked "not free" by Freedom House. The monitors were sent by the Organization for Security and Cooperation in Europe (OSCE), which has monitored American elections since 2002. U.S. civil rights groups have asked the monitors to be placed in states where voter ID laws and early voting restrictions were placed into effect.
We'll keep an eye out for any potential incidents that could happen on Election Day.