CNN’s Kate Bolduan speaks with David Kennedy, who helped create technology used to track bluetooth signals from pacemakers, about how it can be used in the search for Nancy Guthrie.
How new ‘sniffer’ tool could find Nancy Guthrie
CNN’s Kate Bolduan speaks with David Kennedy, who helped create technology used to track bluetooth signals from pacemakers, about how it can be used in the search for Nancy Guthrie.