Griff Jenkins: 'Signal Sniffer' deployed in helicopter search for Nancy Guthrie's pacemaker

Griff Jenkins, co-host of Fox & Friends Weekend, reports live from a helicopter over Tucson, Arizona, detailing the high-tech 'signal sniffer' being used to search for Nancy Guthrie's missing pacemaker. He explains the device emits a unique, low-power Bluetooth "ping," underscoring the immense challenge of locating it across the rugged landscape, likening the effort to finding a "needle in a haystack."