Diego Maradona's daughter Dalma has called for justice ahead of the trial into her father's death, which begins on 11 March.
The Argentine football legend died of a heart attack in November 2020, just two weeks after hospital release following brain surgery.
His family has alleged negligence by medical practitioners who were caring for him.
Dalma Maradona has shared a video containing audio she claims proves serious irregularities in her father's care.
Diego Maradona's daughter Dalma has called for justice ahead of the trial into her father's death, which begins on 11 March
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She revealed that her family lives in fear of what she describes as the "mafia".
"My mother is worried because she is afraid," Dalma said during an appearance on the Angel Responde show on Bondi Live.
"Afraid of the mafia, of those who control everything, have money and power. But I don't care.
"I know who I am up against, but I cannot remain silent. We need people to know the truth.
Diego Maradona won the World Cup with Argentina back in 1986
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"My mother tells me all the time 'shut up, don't say anything, I'm scared', but I can't. I owe it to him."
Maradona suffered a fatal heart attack at home in November 2020.
This occurred just two weeks after he was released from hospital following surgery for a bleed on his brain.
His family has since alleged negligence by his medical team, a cover-up and derogatory comments.
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Argentina went into three days of mourning with his body lying in state at the presidential palace.
Eight doctors and nurses will go on trial for alleged simple homicide with eventual intent over Maradona's final hours of care. They face up to 25 years in jail if convicted.
The trial follows a 2021 inquest that concluded his medical team acted in an "inappropriate, deficient and reckless manner".
The investigation found Maradona would have had a "better chance of survival" with adequate medical care.
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The eight defendants include neurosurgeon Leopoldo Luque and psychiatrist Agustina Cosachov.
Also charged are psychologist Carlos Diaz and Nancy Forlini, a doctor who coordinated Maradona's home care.
The remaining defendants are Mariano Perroni, nurse Ricardo Omar Almiron, nurse Dahiana Gisela Madrid and clinical doctor Pedro Di Spagna.
Maradona had battled alcohol and drug addiction for many years.
Diego Maradona is widely considered to be one of the best footballers of all time
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A medical report last year by examiner Pablo Ferrari suggested Maradona's rapid heartbeat was either natural or from an "external" factor, possibly cocaine.
Prosecutors criticised this report as "hastily cobbled together" and accused Ferrari of neglecting years of evidence.
Maradona's cause of death was officially listed as "acute pulmonary edema secondary to exacerbated chronic heart failure".
Maradona won the World Cup with Argentina in 1986, knocking England out with the infamous 'Hand of God' goal, with his second strike in that match was later voted 'Goal of the Century'.
