Newly released medical records have revealed Ivan Milat needed an adult nappy in his final stages of life.
The Daily Telegraph reports the adult nappy was fashioned onto the 74-year-old's body underneath his regulation prison green outfit.
The records were revealed during an inquest into Milat's death, which explained how he died of natural causes while under the influence of morphine for pain relief in October 2019.
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The investigation also delved into what the 74-year-old was like during his life sentence in Long Bay Prison.
"Milat stated he enjoyed his own company and has no interest in any approved associates," the report said.
"He displayed an appropriate mood with some joviality at times. He is currently compliant with unit routine and is polite to staff."
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It added he usually kept to himself and rarely wanted to associate with other inmates.
When he died, there was close to $3,000 (£1,600) in his prison account and the only personal items in his hospital cell were letters from people who wrote to him.
Milat died in a Sydney hospital after he was diagnosed with terminal oesophagus and stomach cancer. The inquest ruled that he died from natural causes.
He was serving a life sentence for killing seven backpackers, including two British nannies, three Germans and two Australians, in the New South Wales Belangelo State Forest between 1989 and 1992.
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Joanne Walters was stabbed 35 times and and Caroline Clarke was shot 10 times in what police say was 'target practice'. They met in a backpackers' hostel in Sydney and opted to go hitchhiking.
Australians Deborah Everist and James Gibson, both 19, were last seen in December 1989.
German native Simone Schmidl died from multiple stab wounds and Gabor Neugebauer was gagged and shot six times.
Mr Neugebauer's 20-year-old girlfriend Anja Habschied was decapitated and her spinal cord was severed.
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Milat was caught after targeting British backpacker Paul Onions, who managed to escape from the killer and notify the police.
Featured Image Credit: WikimediaTopics: Australia