a major traffic letter on i-95 in virginia. >> where lanes will be shut s down. >>> a man ends up in jail after bringing a loaded gun in a crouse a closer look at the vanessa pham murder trial. ♪ [ male announcer ] wouldn't it be great if all devices had backup power? the chevrolet volt does. it's ingeniously designed to seamlessly switch from electricity to gas to extend your driving range. no wonder volt is america's best-selling plug-in. that's american ingenuity to find new roads. right now, get a 2013 chevrolet volt for around $269 per month. >>> the interrogation video played in murder trial of julio blanco-gas raw had some of us watching it on the edge of our r seats and the man convictedded a of killing college student vanessa pham claimed not to know who she was before investigators got him to reveal the information they were looking for. >>> paul wagner is in studio with an in-depth look how investigators did their job. >> the interrogation video int played to the jury in the trial of julio blanco-garcia with observers on edge of their seats. >> and the man convicted of killing vanessa pham claimed toc not know where