"The doctor's report is accurate that he died from heart failure," said Smith, referring to a statement that Madsen's cardiologist made to NBC4 Los Angeles. He added that "heart disease and alcoholism" were named as "contributing factors."

Following years of reportedly going in and out of rehab to overcome a self-destructive battle with alcoholism, actor Michael Madsen had been making strides in recent months to stay sober, before his s...