Julene served six months in jail after pleading guilty on November 2017 to perjury and attempting to pervert the course of justice.
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Trent admitted to sexually abusing Palmer and was jailed for a maximum of four years in September 2017 after pleading guilty to four charges, including incest.
His older brother Joshua was sentenced to three months in July 2017 after pleading guilty to perjury and attempting to pervert the course of justice.
Thorburn had attempted suicide shortly after his arrest in September 2016 and was reported to have lost a considerable amount of weight. He was placed on suicide watch for several months.
He attempted suicide again in 2020, 2022, 2023 and most recently in February 2024. Thorburn had also been moved between jails several times due to concerns for his safety from other prisoners.
12-year-old Logan schoolgirl Tiahleigh Palmer was murdered in 2015 by her foster father Rick Thorburn.Credit: 9News
After being jailed for Palmer’s murder, Thorburn was convicted of a range of child sexual abuse offences, including the rape of a child at a family daycare south of Brisbane.
He also faced nine indecent treatment charges relating to incidents between July 2015 to April 2016, and the attempted rape of a girl under 12.
Tiahleigh Palmer’s mother Cyndi attends her daughter’s funeral in Brisbane. Credit: Glenn Hunt
The offences occurred at Thorburn’s home at Chambers Flat, south of Brisbane, where Julene ran a home childcare business.
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An autopsy conducted to determine the cause of Tiahleigh’s death was inconclusive due to the level of decomposition of her body.
She was not pregnant at the time of her death.
QCS said Thorburn’s death has been reported to police and responding officers are being supported by management.
