gold. your strategic advantage. . sandra: fox news alert as we begin a brand-new hour as america reports on the hunt for brian laundrie, a person of interest in the murder of petito. no sign of him in the vast florida swamps where he s believed to be. they face the possibility he isn t there at all or the possibility that he couldn t survive the fierce forces of nature in fierce swampland. we ll talk to a private investigator who knows all about searches like how he would handle the manhunt coming up. we re going into the wilderness at a park that s become a crime scene. what could we learn from this secluded spot where gabby s body