SAN FRANCISCO (CBS SF) — San Francisco Public Defender Jeff Adachi, who passed away suddenly last month, appears to have died from a mix of alcohol consumption and cocaine, according to the coroner’s office.

Adachi, who was 59, was having dinner with a friend in North Beach on Feb. 22 when he began to have trouble breathing, the public defender’s office said.

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Later that evening, emergency crews responded to a woman’s call of a medical emergency at a residence on Telegraph Place where Adachi was and were able to recover a pulse, but Adachi later died at the hospital.

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According to the coroner’s report, the cause of death was listed as “acute mixed drug (cocaine and ethanol) toxicity.”

The coroner also indicated heart disease as a contributing factor in his death, saying he suffered from hypertensive atherosclerotic cardiovascular disease.

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Adachi’s death was being investigated by the San Francisco Police Department. In a statement, the department would not comment on the results of Adachi’s autopsy, and would only say, “The case is still under investigation by San Francisco Police.”