Investigators focus on Nancy Guthrie's pacemaker

LiveNOW’s Mike Pache is speaking with TMZ’s Michael Babcock as the Pima County Sheriff's Department says they have not confirmed the number of leads investigators are pursuing related to the disappearance of Nancy Guthrie. This comes as Feb. 17 marks the seventeenth day since the 84-year-old mother of NBC "Today" show host Savannah Guthrie, disappeared from her Tucson-area home. The Pima County Sheriff's Department says investigators are working to locate Guthrie's pacemaker. They are also continuing to process evidence that was obtained from search warrants executed last week.