Rome, Jan. 4 (LaPresse) – The fourth Italian victim of the Crans-Montana tragedy has been identified, according to informed sources. She is 16-year-old Milan native Chiara Costanzo. The family has been notified by the Swiss authorities. Yesterday, the deaths of Achille Barosi, Giovanni Tamburi and Emanuele Galeppini were officially confirmed. Two Italian citizens are still listed as missing.