Jury consultant Jo-Ellan Dimitrius. She's consulted in over 600 trials, including O-J Simpson's and Rodney King's. Dimitrius' company, Forensic Technologies International, uses techniques like random phone surveys to learn about public attitudes. In jury questionnaires and interviews, Dimitrius says he can get potential jurors to reveal their pre-dispostions. In her new book, "Reading People: How to Understand People and Predict Their Behavior," (Random House) she discloses some of the tricks of her trade.