(FILES) In this file photo taken on May 27, 2012 a demonstrator holds a poster of Emanuela Orlandi reading "Missing" during Pope Benedict XVI's Regina Coeli noon prayer in St. Peter's square, at the Vatican. - The Vatican is opening an internal probe into the case of Emanuela Orlandi, a teenager who disappeared in 1983 in one of Italy's darkest mysteries, and said it will open on July 11, 2019 two tombs within its grounds in the Teutonic Cemetery to see if it holds the girl's remains, after Orlandi's family's lawyer received an anonymous tip-off telling her to look inside the marble-topped grave. (Photo by Filippo MONTEFORTE / AFP)