Star Exponent.

“Another effective weapon against voter fraud is a clean and accurate voter registration database.  States should periodically purge their rolls of convicted felons, the deceased, those who have relocated, or simply unverifiable registrations.   A new Virginia law effective July 1st,    2013 requires the State Board of Elections to “cooperate with other states and jurisdictions to … compare voters, voter history, and voter registration lists to ensure the accuracy of the voter registration rolls, to identify voters whose addresses have changed, to prevent duplication of registration … and to determine eligibility of individuals to vote in Virginia.”