"NBC Bay Area found several other examples, too. People like Sara Schiffman of San Leandro who died in 2007 yet still voted in 2008, or former Hayward police officer Frank Canela Tapia who has voted 8 times since 2005, though he died in 2001."
http://www.nbcbayarea.com/investigations/Dead-and-Still-Voting-177286281.html
http://www.nbcbayarea.com/investigations/Dead-and-Still-Voting-177286281.html