Demonstrators hold pictures of Emanuela Orlandi as Pope Benedict XVI, background center, reads his message during the Regina Coeli noon prayer in St. Peter's square, at the Vatican, Sunday, May 27, 2012. Fifteen-year-old Emanuela Orlandi, the daughter of a Vatican messenger who lived with his family in Vatican City, disappeared 25 years ago (June 22, 1983) when she went to a music lesson. (AP Photo/Andrew Medichini)