I found an article online that mentions George's 8-page suicide note, in which he states his beliefs. Here is a snip from that article:
Authorities in Daytona Beach earlier Friday confirmed that a suicide note was found with George Anthony at a hotel along U.S. Highway 1.Investigators said the eight-page note indicated George Anthony was at the end of his rope, and that once he was gone, his family would have a better life. He wrote about how strong his daughter, Casey Anthony, is and said he doesn't believe she hurt her daughter, Caylee. However, he did make dark, veiled references to his daughter's friends.
Link
I agree with those who state that if George was intent on committing suicide, he would have carried it out. I believe that this was a real plea for help. I hope that this might be the catalyst that turns things around for George and that he gets the help he needs. Maybe this will also help turn things around for Cindy and Lee too. They all need a lot of counseling to deal with everything that's happened. They need to confront the truth and their grief and learned to deal with it.