FILE - This Feb. 3, 2018 file photo shows Marie Collins, a member of the Pope Francis' sex-abuse commission, handing a letter to Cardinal Sean O'Malley detailing the abuse of Juan Carlos Cruz and a cover-up by Chilean church authorities, at the Domus Santa Marta, at the Vatican on April 12, 2015. Chilean abuse survivor Juan Carlos Cruz is to testify on Feb. 17, 2018 to a Vatican investigator gathering testimony about alleged abuse cover-up by Bishop Juan Barros. (Catherine Bonnet via AP, files)