paul zumot himself appears to have demanded it. the chance to defend himself to the jury by testifying. some courtroom observers believe testifying was in fact, risky. especially for paul, said his friend. >> knowing paul the way i know paul and the way that he could be interpreted incorrectly, i was very nervous about paul taking the stand. >> risky or not, paul was determined to tell the jury his side of the story. coming up. >> i thought, you know, if there was any way this jury thought this man was responsible for this, now they know for sure that he's not. >> but what did the jury think? when "burning suspicion" continues.