at gunpoint in a las vegas hotel room. trying to retrieve some of his own stolen memorabilia. >> charged with armed robbery and kidnapping. so he went on trial it was a very strange trial. prosecutors seemed determined to get him. and there were overtones of the trial in l.a. two police detectives said oh they didn't get him in l.a. so we're going to get him here. which obviously is not the way the justice system is supposed to work but in a way that's how it worked. he was convicted of pay back. >> pay back or not, the murder trial was one of the most extraordinary in trials in history. >> 20 years later what's the latest? >> i think one of the forensic legacy is that it established d.n.a. is important. and i think normally you take years and decades