chest, and it's hunting season and the police are out to get you. >> hurley contends even innocent people will make mistakes when talking to police. >> they're trying to trick you and trap you. no matter how innocent you are, you're a human being, you're frail and you can make mistakes. all it takes is one trip over the wrong log. you find yourself on the wrong end of an indictment. >> rudy and charlie don't have to talk. the constitution's fifth amendment gives them that right. no person shall be compelled in any criminal case to be a witness against himself. >> first of all, i believe there's no such thing as the perfect crime. >> john dematto is the attorney for anna's sister, angel. >> as a former prosecutor, i can tell you your legal training, your experience as a prosecutor and your prosecutorial instincts tell you that a crime was committed and it's very likely that this person committed the crime. however, the same experience,