Question: Midnight Son is inspired by the true story of the murder of which Australian woman reported missing for four days and later found, barely alive, in the boot of her car on 13 February 2005?

Context paragraphs:
Maria Korp: Maria Korp (born Maria Matilde; 14 January 1955 – 5 August 2005) was an Australian woman reported missing for four days and later found, barely alive, in the boot of her car on 13 February 2005.  She spent a short time in a coma before emerging into a state of post coma unresponsiveness.  She became the centre of a controversy in Australia during 2005.  Depending upon their viewpoint, persons characterised the controversy as being about euthanasia or about human rights and protecting people with disabilities.  On 26 July 2005 Victoria's Public Advocate, Julian Gardner, announced that the feeding tube to Maria Korp would cease to be used for providing artificial nutrition and hydration, that palliative care would be implemented and that she was expected to die within 7–14 days.  Korp died on 5 August 2005.

Murder of Tia Sharp: The murder of Tia Sharp was a high-profile case of child murder in the United Kingdom.  The victim was a 12-year-old girl, Tia Sharp, (30 June 2000 – 3 August 2012), who was reported missing from and later found dead in the home of her grandmother in New Addington, London, in August 2012.  After her body was discovered, police arrested her grandmother, Christine Sharp, and Christine's then-boyfriend, Stuart Hazell on suspicion of murder.  Hazell was charged with Tia Sharp's murder on 12 August.

Natasha Ryan: Natasha Anne Ryan (born 1984) is an Australian woman who went missing in 1998 as a young teenage girl from Rockhampton, Queensland.  Police assumed she had been murdered by a local serial killer.  Ryan was discovered alive in 2003 during the trial of the man accused of her murder, almost five years after she went missing.

Murder of Alayna Ertl: Alayna Ertl was a missing 5-year-old girl from Watkins, Minnesota who was later found murdered.  She went missing on Saturday, August 20, 2016 and was last seen alive around 2am Central Daylight Time, according to the Amber Alert that was issued for her.  When her parents woke up at 8am Saturday, they noted that their daughter, their pickup truck, and the house guest who had stayed with them overnight were gone.  After her parents reported her missing, her father's cell phone in the truck pinged a cell tower in Todd County, Minnesota giving a clue to where she might be.  Her body was located nine hours later in Cass county near the Wilderness Park in a swampy area.

Ellison Harvie: (Edythe) Ellison Harvie (18 May 1902 – 27 September 1984) was an Australian architect and an advocate for the professional development of women.  In 1938, she became the first Australian woman to graduate with a Diploma of Architectural Design.  Four years later she became the first woman to be elected to an Australian Architectural Institute council in 1942, as well as the first female Fellow of the Royal Victorian Institute of Architects in 1946.  That same year, she became the first Australian woman to become a partner in a large firm.

Murder of Emily Sander: Emily Irene Sander (February 26, 1989 – November 24, 2007) was an 18-year-old American student at Butler Community College in El Dorado, Kansas.  Reported missing on November 23, 2007 and found dead six days later, her disappearance was widely covered in the mainstream news media.  Israel Mireles was named as a suspect and later arrested in Mexico and charged.  Mireles' capital murder trial in February 2010 found him guilty of Sander's murder.

Midnight Son (opera): Midnight Son is an opera by composer Gordon Kerry and librettist Louis Nowra.  The contemporary opera is inspired by the true story of the murder of Melbourne woman Maria Korp.

Murder of LaToyia Figueroa: LaToyia Figueroa (January 26, 1981 – August 2005) was an American woman of African-American and Hispanic descent who was murdered in 2005.  Figueroa, who was five months pregnant at the time, was reported missing on July 18, 2005 after she failed to show up to work.  She was later found strangled to death after being featured on America's Most Wanted.

Murder of Jason Hudson: The murder of Jason Hudson occurred on October 24, 2008, when 29-year-old Jason Hudson and his 57-year-old mother, Darnell Donerson, were discovered shot to death inside Donerson's home in Chicago, Illinois.  The victims were the brother and mother of singer Jennifer Hudson.  Jennifer's seven-year-old nephew Julian King, the son of her elder sister Julia Hudson, was initially reported missing and an AMBER Alert was issued; Julian King's body was found on October 27 in Chicago's West Side area, in a parked car matching the AMBER Alert description.  Autopsy results indicated that Julian King's death was due to "multiple gunshot wounds."  A pistol found in a West Side vacant lot was confirmed as the murder weapon by Chicago police.

Murder of Allison Baden-Clay: Allison June Baden-Clay ("née" Dickie; 1 July 1968 – 19 April 2012) was an Australian woman whose body was discovered on 30 April 2012, ten days after she was reported missing by her husband Gerard.  On 13 June 2012, he was charged with murder and interfering with a corpse.  On 15 July 2014, he was found guilty and given a life sentence.  Baden-Clay appealed the conviction and on 8 December 2015, it was downgraded to manslaughter.  In August 2016, the High Court of Australia re-instated the murder conviction.

Supporting paragraphs: Midnight Son (opera) Maria Korp
Answer: Maria Korp