Gosh, that's a surprise.
Looks like somebody finally did an extensive check: N.C. State Board Finds More than 35K Incidents of 'Double Voting' in 2012 | National Review Online
Looks like somebody finally did an extensive check: N.C. State Board Finds More than 35K Incidents of 'Double Voting' in 2012 | National Review Online
North Carolinas Board of Elections ... found that 35,570 North Carolina voters from 2012 shared the same first names, last names, and dates of birth with individuals who voted in other states.
Let the denials begin ...