Voluntary false confessions are cases in which innocent people without any external pressure from police step forward and confess to crimes they didn't commit. And as one of the jurors said in an interview years later, they had a confession, and if there's a confession, what else do you need to know?Shankar Vedantam:ABC News contacted Saul because a previously convicted criminal had come forward to claim responsibility for the crime. But what exactly happened during those confessions, Saul?Do we know what happened that prompted the kids to basically make the confessions they did?Saul Kassin:Well, we know what the kids say happened.