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McCulkin confronted alleged killer

AAP logoAAP 9/11/2016 Rachael Burnett

The father of the murdered McCulkin family confronted their suspected killer days after they were last seen alive, a court has heard.

Garry Reginald Dubois, 69, is accused of raping and murdering siblings Vicki and Leanne McCulkin, and killing their mother Barbara in 1974.

Dubois and his co-accused, Vincent O'Dempsey, allegedly took the McCulkins from their Highgate Hill home on or about January 16, 1974 and killed them in bushland.

During an emotional stand-off with Dubois three days later, Billy McCulkin demanded "where's me f***ing kids, where's me f***ing wife", the Brisbane Supreme Court was told.

Mr McCulkin went looking for Dubois and O'Dempsey after a neighbour allegedly told him she had seen them at the family's home the night before their disappearance.

He said he questioned them both about what had happened to his family but they denied knowing anything about it.

Mr McCulkin's sister Eileen McCulkin said he punched her in the face, knocking out some of her teeth, after an argument at the family home.

"I think I told him if he had been home instead of running around with Estelle (his mistress), it wouldn't have happened," she added.

"Maybe I was wrong about that, maybe I'm still wrong - I don't know."

She told the court she was close to her sister-in-law and nieces, who she used to visit two or three times a week, and regularly used to see Dubois and O'Dempsey at the house.

Ms McCulkin added that November 9 is Vicki's birthday and she would have been 53 on Wednesday.

The court previously heard that the McCulkins claimed to have knowledge of the 1973 Whiskey Au Go Go nightclub blaze that killed 15 people.

The prosecution claims that Dubois and O'Dempsey, who allegedly organised another blaze at Torino's but were afraid they would be linked to the Whiskey Au Go Go fire, wanted to keep Mrs McCulkin quiet.

Dubois has pleaded not guilty to three counts of murder, two counts of rape and one count of deprivation of liberty. O'Dempsey is to face trial next year.

The trial will continue on Thursday.

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