Melissa Sue Gerrits // Getty ImagesA guide to understanding the debate over keeping voter rolls ‘clean’The federal government’s demands that states turn over their voter rolls and related information highlight longstanding conflicts over how to ensure that only eligible voters are registered without endangering voting rights. House Republicans claimed dirty voter rolls enable fraud, and said ensuring that only eligible voters are on the list increases election security and voter confidence. “And that seems to be a huge distinction.”Why is it hard to keep voter rolls updated? Do poorly maintained voter rolls allow for more fraud? He studied the state’s voter rolls as an expert defense witness for a case challenging the state’s proof of citizenship laws.