Fox News senior medical analyst Dr. Marc Siegel discusses the search for Nancy Guthrie and how data from her pacemaker provided key timeline clues on Sunday Night in America. #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #sundaynightinamerica #health #medical #pacemaker #search #missing #rescue #america #marcsiegel #drmarcsiegel #nancyguthrie #guthrie
Source: Fox News
Published on February 9, 2026