I've read it a couple of times and I'm still not finding the link.
I think it probably will be tracked back to a "Republican" (who was a democrat 2 years ago).
There is more detail in the LA Times and OC Register versions of the story but they were too hard to excerpt.
http://www.latimes.com/news/local/la-me-letter19oct19,0,6413307.story?coll=la-story-footer
http://www.ocregister.com/ocregister/news/state/article_1324403.php