he had driven from las vegas that afternoon, stopped for gas and a bite to eat at a mcdonald's in primmyes, 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 afternoon of march 7th to the early morning of march 8th. 17 hours 46 minutes ernie's phone did not register on any cell phone tower anywhere. >> he was just a guy that was constantly talking on his cell phone. so the fact that there's a 17-hour window