Investigators are focusing on new clues from security footage in the disappearance of Nancy Guthrie, the mother of Today host Savannah Guthrie. Pima County Sheriff Chris Nanos told NBC News a suspect on Guthrie's porch appeared to be wearing a ring under black gloves. Nanos also said police are trying to match a gun holster on the suspect's belt that has "pretty unique characteristics." The FBI released photo and video from Guthrie's home on February 10 showing an apparent suspect in a ski ma
