1. He told Freddie he wasn't going to vote for him. After the nominations were announced, Freddie did the math in his head and called Charlie out on it.
http://www.channel4.com/bigbrother/v...23e730/play.c4
2. When he said that Lisa had never talked about Freddie
3. When he said that Bea had never talked about Freddie
4. When he said that he had seen the letter that Karly left for Kenneth... there was no letter!