Since the very beginning of the search for Nancy Guthrie, the Pima County Sheriff Chris Nanos has insisted the Tucson community wasn't in danger. But now? We're more than a month out from the night the 84-year-old vanished - and he's changing his tune! Nanos has hardly been talking to the press, but he did a rare interview with NBC News on Thursday night. He made a startling revelation when asked if he thinks the "suspect could strike again." In no uncertain terms, he said: "Absolutely.