killing of a young photographer. were they really innocent? >> i didn't do it. somebody's doing a good job against me. >> did you have a vendetta against steven avery? >> absolutely not. >> i feel this is a false confession. >> it was a real confession. >> those officers wanted that information in the worst way. and they got it in the worst way. >> the prosecutor fights back with an explosive book. >> people will hear the other side of the story. >> and a promise from steven avery's new attorney. >> do you think you have evidence that can free steven avery? >> we do. welcome to "dateline."