http://thinkprogress.org/election/2014/11/12/3591417/chicago-robocalls/
"Chicago election judges received misleading and factually incorrect robocalls before the midterm, causing close to 2,000 of them to not show up on Election Day. As a criminal investigation gets underway, the Chicago Sun-Times has tied the calls to two Republican activists while the Republican Party has denied involvement and distanced itself from the party members who it claims acted alone."