A toxicology report shared with the family found that Payne had been using drugs and alcohol for at least 72 hours before his death.
Argentine prosecutors revealed Thursday that Liam Payne had taken cocaine, alcohol and prescribed antidepressants before his death.
The former One Direction singer died last month after falling from a hotel balcony in Buenos Aires.
Authorities announced that three people have been charged with supplying drugs to Payne. One of them has been charged with abandonment in a vulnerable condition.
A toxicology report shared with the family found that Payne had been using drugs and alcohol for at least 72 hours before his death.
Ms Payne, 31, fell from the third floor of the Casa Sul Hotel on October 16th.
He suffered multiple injuries and internal and external bleeding. An autopsy confirmed that these injuries were caused by a fall, and prosecutors ruled out self-inflicted injury or outside involvement in his death.
They reported that Payne may have been completely unconscious when he fell. Hotel staff had earlier called emergency services to report a guest was “overwhelmed with drugs and alcohol” and had caused damage to the room.
Hotel employees are also involved in the incident. Two others are accused of supplying Mr Payne with cocaine, including one who regularly accompanied Mr Payne during his stay.
Related article: Liam Payne: One Direction star falls to his death in Buenos Aires, fans gather at hotel
Payne's death is a wake-up call about the music industry's role in mental health
Payne's death sparked a debate about the music industry's responsibility for mental health, especially for young stars.
Payne, a native of Wolverhampton, England, has spoken publicly about his struggles with substance abuse and the pressures of early fame.
His first audition was X factor At the age of 14 and later at 16, Shaw found success when he and fellow members Niall Horan, Harry Styles, Louis Tomlinson and Zayn Malik formed One Direction. .
The band sold more than 70 million albums and performed for millions of people around the world before going on an indefinite hiatus in 2016.
Over the next few years, Payne enjoyed moderate success as a solo artist, but struggled to maintain career momentum.
Mr Payne leaves behind a seven-year-old boy, Bear, with Girls Aloud star Cheryl Tweedy.
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