Australia's highest-ranking Catholic, Cardinal George Pell, has been convicted of sexually abusing two boys in the 1990s.

His victims were two 13-year-old boys on scholarships to the prestigious St Kevin's College.

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The pair "nicked off" after a Sunday solemn mass in late 1996 and were caught swigging sacramental wine in the priest's sacristy by Pell, newly installed as Archbishop of Melbourne.

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Pell scolded them, exposed his penis from beneath the ornate ceremonial robes, and molested them.

A Melbourne jury in December found Pell guilty of five charges - one of sexually penetrating a child and four of committing indecent acts with children.

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That verdict was made public on Tuesday after months of procedural secrecy, and the abandonment of a second trial over allegations Pell indecently assaulted boys in Ballarat in the 1970s.

Pell has maintained his innocence over all allegations and has lodged an appeal of his conviction.

READ MORE Why George Pell's conviction for child sexual abuse is significant

"An appeal has been lodged against his conviction and he will await the outcome of the appeal process," a statement for the cardinal reads.

A suppression order preventing news of the case being published was lifted on Tuesday.

"There's a very strong public interest that the media now cover the plea hearing and the sentence. It's powerful, now, that public interest," Chief Judge Peter Kidd said.

One of the victims, now in his 30s, brought the allegations to police after years of having struggled to understand what he'd experienced.

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A month or so after he was abused by Pell he was sexually assaulted again, pushed against a cathedral wall by the now-Cardinal who fondled his genitals.

Pell's other victim died in 2014 in accidental circumstances.

In a statement issued by his lawyer on Tuesday, the surviving victim noted the stressful and ongoing legal process.

"Like many survivors I have experienced shame, loneliness, depression and struggle," he said.

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"Like many survivors it has taken me years to understand the impact upon my life.

"At some point we realise that we trusted someone we should have feared."

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Top defence barrister Robert Richter QC represented Pell in the trial, and during an earlier trial in which the jury was discharged after failing to reach a verdict.

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Mr Richter failed to convince the latest jury that the cathedral's processes were so seamless that two boys simply could not have "nicked off" unseen.

He argued the allegations were a "far-fetched fantasy", that Pell was always accompanied after mass and that the cumbersome robes would have prevented him revealing his genitals.

"Only a madman would attempt to rape boys in the priest's sacristy immediately after Sunday solemn mass," he told the jury.

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Pell, who was physically ailing during the trial and on crutches before a double knee replacement over Christmas, remains on bail.

He's due to return to the County Court for a plea hearing on February 27.

Chief Judge Kidd is due to sentence him in March.

"You're going to burn in hell. Burn in hell, Pell," a man yelled at the cardinal as he walked from court.

Those seeking information or support relating to child sexual assault can contact Bravehearts on 1800 272 831 or Blue Knot on 1300 657 380. Lifeline is available 24 hours a day on 13 11 14.