judicial-watch
To maintain or to purge?: How the practice of maintaining voter lists became so polarized | Battle for the Ballot
In the last decade, millions of registered voters across the country have been removed from voter rolls.
COMMENTARY 
The real reason a right-wing group is suing Pa. to scrub its voter rolls | Wednesday Morning Coffee
Critics say the effort by the conservative group Judicial Watch in an effort that critics say deliberately targets Democrats and voters of color.