Man in the Iron Death Mask

Blue meets a family who found a death mask that could be evidence of a murder in the mines. Dale meets a man who thinks he has an ancient Egyptian scarab stone inscribed with a secret message, while Lily and Leonard crack the case of a mysterious object found near the Oregon Trail. Plus, the guys take to the water to figure out if corks found in the Merrimac River are tied to a valuable shipwreck.