July 30, 2009
Posted: 07:29 AM ET
Michael Jackson's cardiologist is the central focus of a federal investigation into the singer's death, a law enforcement official told CNN on Wednesday.
While authorities have subpoenaed the records of various doctors who have treated Jackson over the years, "Dr. [Conrad] Murray is the only one we're looking at," the federal law enforcement official said.
The disclosure was among several developments Wednesday in a story that continues to gather steam more than a month after the death of the pop icon on June 25.
• Jackson's personal chef, Kai Chase, recounted the day the singer died and how Jackson's children and his staff gathered in a circle to pray for him.
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