The Complete Guide to ACORN Voter Fraud
http://pjmedia.com/blog/the-complete-guide-to-acorn-voter-fraud/
Search engines are your friend.... :-(
I have been reporting on vote fraud for years:
http://www.freerepublic.com/focus/f-news/2621405/posts
http://www.freerepublic.com/focus/f-bloggers/2625281/posts
http://www.freerepublic.com/focus/f-news/2615479/posts
Hope these help.