the premiums? >> that's correct. all of a sudden i saw that he was fearful of -- of his life. >> reporter: to detective perrault, this all added up to motive. 1.58 million reasons that daniel blizzard might want vern holbrook dead. but what was the link between daniel and adriana and luis? >> i'm guessing the 'holy grail' at this point in the investigation would be to find some like provable contact between daniel blizzard and adriana mendez? >> right. >> reporter: it turned out the holy grail was only a few blocks away. at the sunshine motel. >> i went to the motel and they told me that a big white guy would come in occasionally and pay adriana's rent for her. >> so you get the security video. >> right. >> and who is it? >> it's daniel blizzard. >> reporter: there he was. a week before the attack, blizzard paying adriana's bill at the sunshine motel. and perrault soon found more. text messages between adriana