DH Peligro, a longtime Dead Kennedys drummer, died last October due to the effects of fentanyl and heroin, according to an autopsy report by the Los Angeles medical examiner on Tuesday.

According to the report, Peligro also suffered from non-small cell lung cancer. The medical examiner’s report pointed towards the combination of drugs as the official cause of death.

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DH Peligro, full name Dareen Henley, has a long history of drug and alcohol abuse.

Henley died in his Los Angeles home on October 28, 2022. He was 63. His death was initially ruled as an accident, according to the coroner database.

Henley’s landlord conducted a welfare check on him and found the drummer unresponsive in the bathroom of his Los Angeles home, according to the autopsy report.

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Several COVID-19 at-home test kits were found in Henley’s home. His friend said Peligro was feeling short of breath two weeks before his death. He also had a repeated history of lung cancer. However, it was unclear if he was taking treatment at the time of his death.

In October 2022, the Dead Kennedys shared the news of Peligro’s death on Instagram. “Police on the scene stated he died from trauma to the head caused by an accidental fall,” the official post read.

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In February 1981, Peligro joined the rock band as a drummer, replacing original drummer, Ted. He made his recorded debut with the group on EP In God We Trust, Inc, which was released in December 1981. He recorded for the studio albums Plastic Surgery Disasters, Frankenchrist, and Bedtime For Democracy. Dead Kennedys separated in December 1986.

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The group reunited in 2001, along with Peligro but without former frontman and primary songwriter Jello Biafra. Biafra had a civil fraud complaint against him, accusing him of withholding royalties.

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In early 2008, Peligro took a break from Dead Kennedys, citing the need for time off from touring. Peligro again joined the band in June 2009.