. >> there will be credit card transactions and phone records of me driving from las vegas back to breaalifornia. >> night of the murder, said ernie, he was at home in southern california hours and hours away from his parents' house. he had driven from las vegas that afternoon, stopped for gas and a bite to eat at a mcdonald's in primm, nevada. and yes, there were credit card records to prove it. he arrived home around 5:00 p.m., fell asleep on the couch for a bit, watched a movie on tv and went to bed. wife and son were away, he said. and bright and early the next morning, he met his elderly grandfather for a bridge tournament which his grandfather ernest i confirmed. still, detectives had some questions that ernie surely should have been able to answer, shouldn't he? >> so we asked him what road did you take to get to your home. and he was not able to tell us. we asked him, what television show did you watch? he wasn't able to tell us. >> and then when they checked ernie's cell phone records, they found an unusual gap in transmission right around the time of the murders. from the afte