Murder of Allison Baden-Clay

Allison June Baden-Clay (nee Dickie) was a 43-year-old business executive and mother of three young daughters who lived with her family in Brookfield, a semi-rural suburb in Brisbane's west, Queensland, Australia. On the night of 19 April 2012 she was last seen alive at the family home. The following morning, 20 April 2012, her husband, Gerard Robert Baden-Clay, reported her missing. Ten days later, on 30 April 2012, a canoeist discovered her body on the bank of Kholo Creek at Anstead, roughly 13 kilometres from the family home.

A police investigation followed. Gerard Baden-Clay had appeared publicly to appeal for his wife's safe return, but attention turned to him as inconsistencies emerged. Investigators noted that he had been conducting a long-standing affair, that the couple faced significant financial pressure, and that Allison's life had been insured for a substantial sum. Forensic examination could not conclusively determine a medical cause of death. On 13 June 2012, Gerard Baden-Clay was charged with murder and with interfering with a corpse.

His trial began at the Supreme Court of Queensland in Brisbane on 10 June 2014. On 15 July 2014, a jury found him guilty of murder. He was sentenced to life imprisonment with a non-parole period of 15 years.

The case then moved through a prolonged appeal process. On 8 December 2015, the Queensland Court of Appeal set aside the murder conviction and substituted a verdict of manslaughter. The court reasoned that the evidence at trial could not exclude a reasonable hypothesis that Allison had died during a physical confrontation in which a fatal blow was delivered without an intention to kill or cause grievous bodily harm.

The downgrade prompted a strong public response, including a large rally in Brisbane calling for further appeal. In an unusual step, the Queensland Director of Public Prosecutions appealed to the High Court of Australia. On 31 August 2016, the High Court unanimously allowed the appeal and restored the original murder conviction. The court held that the alternative accidental-death scenario had not formed part of the case run at trial and was not supported by the accused's own evidence, and it reaffirmed that it had been open to the jury to conclude he had killed his wife with the required intent.

With the murder conviction reinstated, the life sentence and 15-year non-parole period were restored. In February 2017, it was ruled that Gerard Baden-Clay was not entitled to benefit from Allison's estate. Allison's family later established a foundation in her name to address domestic and family violence, and her three daughters were raised by her parents.