the tragic case of lacey peterson is in the spotlight once again after nbc dateline unearthed this interrogation video which shows scott peterson. it's never been revealed to the public before now. >> what you're telling me, scott, is there's no -- you have no idea where laci is? >> no. >> that is the first interrogation police did with peterson after laci disappeared. investigators expected him from day one, but laci's mom did not until amber frei came into the picture. >> first of all, i met scott peterson november 20, 2002. scott told me he was not married. we did have a romantic relationship. >> to see the complete unearthed footage, tune in friday night at 9:00 for dateline nbc, the laci peterson story right here on nbc bay area. >>> lawyers for former patriots player turned convicted murderer aaron hernandez are calling for a full investigation into his death. he was found dead in his maximum security prison cell early yesterday morning and prison officials say it was suicide, but aaron's defense attorney, hernandez's defense attorney, is challenging that idea. a boston jury recently clear