Saw Bursts News Today

Take us inside this investigation. how were authorities going to determine why this killer went on this rampage? >> first of all, wolf, i dont believe anything im hearing, including statements from family members today. these are not facts. this is what people say. first is the data piece, i want everything from how he texted and emailed how he telephoned. what he said on facebook. i want the data from those, not hoenl what hes saying, but even the frequency of messages is important. for example...