Osornos Bishop Juan Barros smiles as he leaves the altar after Mass was celebrated by Pope Francis on Lobito Beach in Iquique, Chile, Thursday, Jan. 18, 2018. The Vatican said Tuesday, Jan. 30, 2018 that Maltese Bishop Charles Scicluna, the Vatican's most respected sex crimes expert, would travel to Chile "to listen to those who have expressed the desire to provide elements" about the case of Bishop Juan Barros, accused by abuse victims of covering up for the country's most notorious pedophile priest. (AP Photo/Alessandra Tarantino, files)