True Crime AZ Live correspondent Briana Whitney‬ is live once again in Tucson, Arizona, as investigators with the Pima County Sheriff's Department and the FBI released pictures and video obtained from a doorbell camera of the man who they believe is connected to the disappearance of Nancy Guthrie, daughter of NBC's TODAY show host Savannah Guthrie. Our True Crime AZ Live team and experts have the latest details as the case gets its first big break.