New clues in search for missing da Vinci fresco

A lost Leonardo fresco and tantalizing hints that remnants may still exist — hidden behind a wall in a Florence palazzo — has the art world abuzz. NBC News correspondent Keith Miller has more on the real life Leonardo da Vinci mystery. For 30 years, art work detective Maurizio Seracini has been searching for Leonardo da Vinci's lost fresco. And now Seracini has found a breakthrough in Florence’s Palazzo Vecchio. A small cavity in a wall may hold the key to a long lost secret, he says. [More]