Louvre jewel theft: latest in string of museum heists
Major museums have suffered repeated art and precious-object thefts, including the 1911 Mona Lisa theft, the 1972 Montreal skylight heist, and the 1990 Gardner robbery.
Leonardo da Vinci was investigated for alleged relations with a sex worker, but evidence showed he had a strong affection for his apprentice Gian Giacomo Caprotti.