Former Pinal County Sheriff Mark Lamb highlights a 'key piece' of evidence in the investigation into Nancy Guthrie's disappearance and more on 'Jesse Watters Primetime.' #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #jessewattersprimetime #crime #crimenews #crimestory #criminal #police #nancyguthrie #investigation #missingperson #arizona #sheriff #lawenforcement #evidence #fbi #publicsafety #mystery #analysis #guthrie Don’t just watch Fox News—be part of it. Become a Fox News