Slain schoolgirl Charlise Mutten’s mother spent about four weeks in an exclusive Sydney private drug rehab clinic where she boasted to fellow patients of having sex with her daughter’s accused killer during an access visit.
Kallista Mutten stayed at the $20,000 a month Sydney Clinic at Bronte Beach last November just two months before her nine-year-old daughter’s alleged murder on January 11 or 12.
Police allege her fiance Justin Stein, 31, murdered Charlise at his family’s Wildenstein estate in the Blue Mountains and then dumped the child’s remains, encased in a barrel, in bushland by the Colo River where they were found on Tuesday.
A former ice addict, Ms Mutten became engaged to Stein last year after being released from prison.
Former ice addict Kallista Mutten spent weeks in a ritzy Sydney drug rehab clinic two months before her daughter Charlise was allegedly murdered by her fiance Justin Stein
At the Sydney Clinic, which treats celebrities, Kallista Mutten boasted of her ‘very wealthy’ fiance Stein and proudly described how they would be getting married this year
Kallista also excitedly related to fellow patients how she had sex with Stein in the back of his ute (above) on an access visit when he drove down from the mountains to see her in rehab
Kallista Mutten (above kissing Stein) boasted how the couple had a tryst in his car near the Bronte clinic after which she returned ‘excited and high’ after the encounter
Late last year, she was housed in the Clinic’s level two substance abuse unit and was visited by Stein, a fellow patient revealed exclusively to Daily Mail Australia.
The patient said Kallista was ‘over the top’ and ‘very attention seeking’ and repeatedly mentioned she had a ‘rich fiance’ who was ‘very wealthy’.
She talked about her forthcoming wedding to Stein in 2022, which Ms Mutten has previously said could take place at the Mount Wilson Anglican Church, just minutes from where Charlise was allegedly murdered.
Inpatients at the Sydney Clinic – which has treated TV reality star Suzi Taylor, actress Jessica Marais, game show host Andrew O’Keefe and AFL player Ben Cousins – are allowed up to four hours of daily leave outside for walks or visits.
The fellow patient said Ms Mutten animatedly chattered about Stein visiting her, and after one visit she claimed ‘they had sex in the back of the ute’ and seemed ‘excited and high’ after the encounter.
She related that her fiance had driven ‘a long distance… from the mountains to visit her’ and was ‘hyper’ about the visit.
Kallista Mutten may have mentioned her daughter Charlise once ‘in passing’ but chatted often with other patients about marrying her rich fiance Justin Stein in Mt Wilson this year
A patient room inside the $20,000 a month Sydney Clinic where Kallista Mutten stayed and was visited by Justin Stein who has now been charged with Charlise Mutten’s alleged murder
Kallista Mutten was housed on level two of the Sydney Clinic where inpatients are treated for substance abuse and was visited by Justin Stein her ‘wealthy’ fiance
Ms Mutten would chat with other patients on permitted 10-minute cigarette breaks in the clinic grounds and would be ‘talking too loudly, over-talking and laughing loudly’ as she rolled her own cigarettes and smoked them.
She traded ‘rollie’ cigarettes for cans of Coke other patients bought from the drinks machine.
While Ms Mutten talked at length about Stein, she ‘may have mentioned once in passing’ that she had a young daughter.
In the clinic, which has comfortable well-furnished rooms and ‘amazing food’, Ms Mutten sometimes ‘gave the impression she was nuts’ to doctors and nurses.
In rehab last November, Kallista Mutten had the same pink streaked hair she is seen wearing (above) after she was pictured while having a medical episode after calling police to report Charlise missing
She was very curious about how one other patient, who had attention deficit disorder, obtained a prescription of Dexamphetamine or ‘Dexies’ and engaged in intense discussions about urine tests.
Patients at the 50-bed Sydney Clinic are breath-tested on return from a visit and if clinicians or nurses believe a patient may have engaged in drug-taking while outside the premises, they can be subjected to urine tests.
Sydney Clinic’s inpatient substance dependence program holds three-step group therapy sessions, but the fellow patients said Ms Mutten seemed uninterested in participating.
Justin Stein drove from the mountains to visit his fiancee Kallista Mutten at the Sydney Clinic and after one visit she boasted they’d had sex in the back of his ute
Kallista discussed with other patients her forthcoming wedding to Justin Stein possibly in the Mt Wilson St George Anglican Church above, just minutes from where Charlise vanished
SES volunteers (above during search efforts for Charlise Mutten) rested last week in the graveyard of the same church where the girl’s mother had planned marrying the man now accused of the schoolgirl’s murder
Admission to the clinic’s addictions program requires current private health insurance and a GP’s referral letter.
Ms Mutten has been in drug rehab previously for treatment for a methamphetamine addiction.
She served more than two years in prison for killing her 53-year-old friend Karen ‘Kaz’ Bunch after driving off road and into the Tweed River while high on ice.
She was convicted at Lismore Court on November 24, 2017 of dangerous driving occasioning death and driving with an illicit substance in her system.
A convoy of police vehicles on the driveway down to the luxury Wildenstein family estate of accused murderer Justin Stein whose stepdaughter Charlise Mutten died while holidaying there
Charlise Mutten, 9, vanished on January 11 or 12 and her remains were found inside a barrel dumped on a river bank in bushland near the Colo River, 65km away
Wildenstein estate in Mount Wilson (above) is still the focus of investigators into the alleged murder of Tweed Heads schoolgirl, Charlise Mutten, whose remains were found in a barrel
The court heard despite checking into a rehabilitation clinic after the crash, Ms Mutten relapsed into ice use and was also expelled from a clinic at Logan in Queensland after she threatened a fellow resident with violence.
Daily Mail Australia does not suggest Ms Mutten is currently using drugs.
Stein is currently in custody after being arrested and charged with murder on Wednesday and bail refused until his next appearance in Penrith Local Court in March.
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