A short time later, the Vatican announced Pope Francis was sending a trusted investigator to Chile to listen to people with information about Bishop Barros.
In a letter to Chile's bishops, the Pope admitted to misjudging the severity of the affair: 'I have made serious mistakes in the judgement and perception of the situation, especially due to a lack of truthful and balanced information'.
'I ask forgiveness of all those I have offended and I hope to be able to do it personally in the coming weeks, ' the pope said in the letter, which was released by the Vatican on 11th April 11.
The letter gave no clue about Barros' future.
While his letter didn't reveal his ultimate conclusions about Barros, Francis made clear that he and the bishops have a lot of work to do to turn the Chilean church around.
Then soon after his visit, Pope Francis, in a stunning about-face, made a decision to send to Chile Archbishop Scicluna - the Catholic Church's top expert on investigating sex abuse - to review "recently received information concerning the case" of Bishop Barros.
He said he felt shame reading Archbishop Scicluna's 2,300-page report and thanked the 64 people who testified for their courage in bearing the "wounds of their souls". He said Mr Scicluna and Mr Bertomeu were "overwhelmed by the pain of so many victims".
Francis overrode their concerns and appointed Barros bishop of the southern Chilean diocese of Osorno in 2015, saying the church had investigated the claims against him and found them to be baseless.
Karadima, who has been exposed as a sexual predator and was laicized in 2010 when 80, was ordered by the Vatican to "retire to a life of prayer and penitence".More news: Destiny 2's Second Expansion 'Warmind' Dropping May 8
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Barros said he was unaware of any wrongdoing but the boys his mentor abused insisted he covered it up and were outraged at his promotion to bishop.
Apologies have not been enough to calm the victims of the Catholic Church's sexual abuse scandal - at least not the kind of apologies the pope has been willing to offer.
"There is not a single piece of proof against him". It is all slander.
On the plane returning from Chile, Francis told reporters he believed the bishop of the city of Osorno in Chile's south was innocent.
The retired archbishop of Santiago also accused victims of being liars and "serpents", and an old Spanish Jesuit friend evaluated Barros years ago and vouched for him. "Archbishop Scicluna did an excellent job with his investigation", Ms Collins added.
Francis said the meeting, which comes just a year after the Chilean bishops were last in Rome on a regular visit, would have as its objective "repairing scandal where possible and re-establishing justice". He also expressed his sadness and said that scandal had done huge damage to his reputation and the reputation of Chilean church.
During his visit to Chile in January, Pope Francis asked forgiveness for the sexual abuses committed by some priests in Chile. They said they would continue fighting for reparation and forgiveness "until zero tolerance about abuse and cover-up in the church becomes a reality".
However, they said specific measures, including the resignation of Barros, were needed to restore confidence in the Church. He did not say when it would take place.