The evidence reveals that Cardinal Sean Brady, the Primate of All Ireland, had the names and addresses of children who were being abused or were at risk of being abused by Ireland’s most notorious paedophile Fr Brendan Smyth, but failed to ensure that they were protected.

The investigation – to be broadcast tonight (Wednesday 2 May) at 9.00pm on BBC Two - centres on a secret church inquiry in 1975, when a 14-year-old boy Brendan Boland was questioned by the church after he had disclosed that he’d been abused by Fr Smyth. Three priests took part in the process, among them Cardinal Brady, then Fr John Brady - a canon lawyer, bishop’s secretary and school teacher.

Cardinal Brady took down the answers. Another priest asked the questions.

Tonight Brendan Boland speaks exclusively to BBC reporter Darragh MacIntyre about that secret meeting and reveals the detailed information he gave to Cardinal Brady, then Fr John Brady. His account is verified by the Church’s own transcript of the inquiry, made public for the very first time.

Brendan, now 51, explains how he first fell prey to Fr Smyth as an 11-year-old altar boy and how the abuse carried on for over two years.

Eventually Brendan found the courage to tell a local priest about the abuse. The priest reported it to the church and also to Brendan’s family. It was shortly afterwards, in March 1975, that the Church set up a secret canon law inquiry.

Brendan recalls the moment he was led alone into a room to be questioned, while his father was made wait outside.

“I felt alone, scared, I didn’t know what was going to happen. I didn’t know what they were going to ask me. I was only 14 years old at the time.”

Brendan told the priests about Smyth’s abuse - and about five other children that the paedophile had taken on excursions with him.

Smyth often took children on marathon excursions in his car, up and down Ireland.

Brendon explains: “I'd given them the names of the other children that were with me on the trips. There was a boy from Belfast, I gave them his name and address. There was a girl from Belfast. I gave them her name and address. There was a girl from Cavan. I gave them her name and address. And there was another boy from Cavan. I gave them his name and address. And there was another boy that was his friend.”

More than that, Brendan told the inquiry that he knew that at least two of the boys were being abused by Fr Smyth.

“I told them that I witnessed one boy being abused. I told them that…that was the boy from Belfast.

“…I knew for a fact he was abused and the other boy from Cavan, he told me he was abused ‘cos he didn't like going on the trips either.”

At the end of the questioning Brendan was handed a bible and instructed to swear and sign an oath of secrecy.

“One of the priests came over with a bible and made me put my hand on the bible and say that I, Brendan Boland, do solemnly swear that I have told the truth the whole truth and I will speak to no one about this meeting only to authorised priests.

And then I signed it and the other signature on the document was Father John B Brady, now Sean Brady Cardinal of Ireland,” he tells the programme.

This World will show the document he signed, together with the counter signature of the priest who now heads the Irish Catholic church.

Days later Cardinal Brady himself interviewed one of the boys Brendan had told him about. The boy from Cavan corroborated Brendan’s account and confirmed that he had been abused.

Reporter Darragh MacIntyre later met the second boy, now middle-aged.

Remarkably he revealed that his parents were told nothing about his abuse or about his role in the inquiry.

After this second interview Cardinal Brady compiled two reports and sent them to his Bishop.

Fr Brendan Smyth was later forbidden to hear confession and barred from certain public duties. The police were told nothing and Smyth continued to abuse.

Darragh MacIntyre speaks to all the children named by Brendan to the inquiry in 1975. He discovers that four of them had been abused by Smyth. Two of them continued to be abused after the inquiry. They all say that - to the best of their knowledge - their families were not warned in any way about Smyth.

One of them is originally from Belfast. Now in his 50s he reveals that Smyth continued to abuse him, then his sister and in turn four younger cousins, right up until 1988.

He says: “Nobody came to our house. They should have came to our house and warned our family, or my parents and said look this is what's happening, this man is involved in this. We would strictly advise you to keep him away from the house."

He adds: "Brendan, poor Brendan actually thought giving this information, he thought he was going to protect me and protect other people and thinking this was going to be the end of it. And by God it is far from the end.”

In 2009 Cardinal Brady said that he would resign if he found himself in the situation where he was aware that any failings to act on his part allowed, or led, to any child being abused. When limited details of his involvement in the secret inquiry emerged he said that his role was that of a notary without powers and that he did his job. The church has described him as a note taker and insists he had a minor role in the inquiry.

But This World: The Shame of the Catholic Church, BBC Two will reveal that Cardinal Brady, according to his own handwritten note, states that he was in fact 'dispatched to investigate the complaint' about Fr Brendan Smyth.

The Catholic Church has said that 'the sole purpose of the oath' signed by Brendan Boland in Cardinal Brady’s presence was 'to give greater force and integrity to the evidence given by Mr Boland against any counter claim by Fr. Brendan Smith.'

The Church also points out that in 1975 'no State or Church guidelines for responding to allegations of child abuse existed in Ireland'.

This World: The Shame of the Catholic Church will be broadcast on Wednesday 2 May, 9.00pm on BBC Two.

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