The Democratic National Committee has suspended Sen. Bernie Sanders' presidential campaign from accessing its voter database after the campaign took advantage of a software error to access Hillary Clinton's confidential voter information.
Sanders' campaign said the sneak peek was inadvertent.
Still, the suspension is a setback for the Vermont senator because the database is a goldmine of information about voters nationwide. Campaigns usually use that data to plot their next moves.
The DNC database keeps the information gathered by different campaigns separated by a firewall.
But the data systems vendor that runs the program dropped the firewall for a brief period of time Thursday, during which time the data was accessed.