SANTIAGO, Chile (AP) — The Vatican's leading expert on clerical sex abuse wrapped up his fact-finding mission to Chile on Thursday and headed to Rome to brief the pope, concluding one of the most extraordinary months in the Catholic Church's long-running saga of coming to terms with priests who rape children and the church hierarchy that protects them.

Archbishop Charles Scicluna plans to present not only a report about Bishop Juan Barros, who is accused by victims of witnessing their abuse and ignoring it. Scicluna is also bringing back testimony from Chilean victims of other abusers in the M...