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A young woman serving a 10-year sentence after her mother was murdered and stuffed into a suitcase in Bali has made a chilling jailhouse confession.

In a series of videos posted on YouTube , Heather Mack admitted killing her mother, Sheila von Wiese-Mack, and claimed that she did it to avenge her father's death.

The 21-year-old claimed that she acted alone and her boyfriend, Tommy Schaefer, who was also convicted and jailed in Indonesia, was innocent.

Mack made the confession in a bid to absolve Schaefer of any blame, calmly telling the camera that she "doesn't want to live in a lie anymore".

(Image: Youtube)

(Image: Instagram) (Image: REUTERS)

In 2015 Schaefer was sentenced to 18 years in prison for premeditated murder after telling court that he killed von Wiese-Mack with the metal handle of a fruit bowl.

Mack, who has a mobile phone and internet access in jail, was sentenced to 10 years for being an accessory to murder.

She gave birth to the couple's daughter Stella in 2015 and is raising her behind bars until she turns two and enters the foster care system.

The US woman told the camera she plotted to kill her 62-year-old mother in 2014 over the death of her father, acclaimed jazz and classical musician James Mack.

He died in 2006 while the family was on holiday in Athens, Greece, and Mack, an only child, was the sole beneficiary of a $1.56m (approximately £1.2m) trust fund.

(Image: Youtube)

(Image: Getty Images)

In her video confession she claimed that she learned two weeks before travelling to Bali that her mother had murdered her father when she was just 10 years old.

Earlier reports stated that he died of a pulmonary embolism.

Mack, from Chicago, said in the video: "I made it up in my heart, in my mind, my soul, in my blood, in the oxygen running through my body that I wanted to kill my mother."

She claimed that she asked Schaefer, 22, to help her find a hitman for $50,000 (£40,000) and he said no, so she decided to frame him.

She said: "After that I got this whole new savage idea in my head that I wanted to kill her in a hotel room because she had killed my father in a hotel room."

She said she took Schaefer's mobile phone and created "fake conversations" between the pair, deleting the messages before he could see them, because she didn't want to get arrested alone in a foreign country.

(Image: REUTERS) (Image: Getty Images)

Mack said she bought a plane ticket for Schaefer using her mother's credit card without her knowledge, telling him they were all going on holiday to Bali, as she continued to plot her mother's murder.

She said: "I trapped him here. And that is what I regret. I don't regret killing my mother. And as evil as that may sound that's my reality.

"I regret bringing Tommy into it. I regret being selfish. I regret trapping an innocent person into this because it was my battle - it was my mother, my father."

Mack claimed she killed her mother on her own and then told Schaefer that if he didn't help her clean the hotel room and dispose of the body she would tell the police that he murdered her.

She suggested her lawyers pressured Schaefer to lie and take the blame for the killing because if he didn't he would get the death penalty.

She said: "My motivation for doing this was myself. It's from inside of me and it's my battle. It wasn't Tommy's. Tommy's an innocent man.

"I'm sorry, I love you. I really love you and if I could go back I would do it myself. I'm sorry that everybody thinks you're some crazy killer."

Schaefer's cousin Robert Ryan Justin Bibbs pleaded guilty to aiding in the murder and is due to be sentenced in March.

Prosecutors claimed that the three plotted to share inheritance money.

(Image: Getty Images)

But Mack claimed that Bibbs is innocent and "had nothing to do with it".

Von Wiese-Mack's sister, Debbi Curran, said Mack's claims are untrue and she was struck by her lack of remorse over the murder.

She told the Chicago Tribune: "Since the brutal murder of my dear sister, Sheila, two and a half years ago, our family has had to endure endless lies about what actually happened in Bali.

"Heather Mack's stories about her relationship with her mother and the events in Bali have changed so many times; it is impossible to discern truth from deception.

"However, her accusation about Sheila killing Jim is completely false. Sheila loved Jim very deeply and was devastated by his death."