Maria’s 11-year-old son told her he’d been sexually abused. Days later, she was murdered.

Maria James. Image via Channel Nine.

In was June 1980, when 38-year-old single mum Maria James was viciously stabbed to death in her home at the back of the bookshop she owned in Melbourne’s Thornbury.

Her brutal murder – there were 68 knife wounds in total – was never solved, and now the Supreme Court is deciding whether to reopen the cold case after police admitted to botching evidence that could have led to her killer.

Maria’s sons, Mark and Adam James, believe they know who’s responsible.

Listen to Holly Wainwright and the Stephens Twins deep dive on our obsession with True Crime. Post continues after. 

Now aged 48, Adam James told the ABC he disclosed to his mother that his priest, Father Anthony Bongiorno, was sexually abusing him in a conversation that occurred only days before her murder.

Adam, who has cerebral palsy and was 11 at the time of Maria’s death, says he is certain his mother was planning to confront Bongiorno on the day she was killed – a claim verified by an electrician who worked at the church.

Speaking to the ABC podcast Trace, Allan Hircoe, who was working at St Mary’s church in Thornbury on the day Maria was stabbed, said he saw Bongiorno with blood on his face, hands and arm around 50 metres from the crime scene.

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The bookshop Maria James owned. She was murdered in her home out the back. Image via Nine News.
The bookshop Maria James owned. She was murdered in her home out the back. Image via Nine News.

But Bongiorno, who died in 2002, was never charged - nor really investigated - because police were certain they had the killer's DNA on a bloody pillow case they supposedly found at the crime scene.

However, last year Victoria Police admitted they bungled this crucial aspect of the investigation - the pillow case was actually from another crime scene and put on the James file by mistake, possibly decades ago.

"It was stored adjacent to another exhibit, and there were similar types of exhibits in both cases and one ended up in the other," Steve Fontana from Victoria Police said last year, Nine News reports.

The pillowcase DNA was used to rule out the Catholic priest as the killer.

Father Anthony Bongiorno. Image via Nine News.
Father Anthony Bongiorno. Image via Nine News.

"The new facts and circumstances that have emerged over the past couple of years definitely warrant an investigation," Mark James told reporters on Monday, AAP reports.

"Something's not right. And an inquest should be able to bring out those facts and get some answers as to what actually transpired."

Mark and Adam are seeking a fresh investigation into the crime through a coronial inquest.

The brothers attended a Supreme Court hearing on Monday after they applied to State Coroner Sara Hinchey to reopen the inquest in light of new evidence.

WATCH: Police admit to a DNA bungle in the murder investigation of Melbourne mother Maria James, from Nine News.

Video via Nine News

After listening to legal arguments, Supreme Court Justice Richard Niall will now consider whether the coroner has the power to set aside the old findings and open a new inquest.

The brothers had hoped a new inquest would come sooner but they are willing to see the long process through to get answers, AAP reports.

"It hasn't been easy. There have been hurdles to get over and it's really taking a toll on my brother and myself," Mark said outside court.

"But we are going to press on to the conclusion.

"If we get our answer in the end, which we should, it's all going to have been worth it."

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