Police Source: DJ AM Found "Face Down," Shirtless

A police source tells Usmagazine.com that DJ AM was found "face down" in bed Friday. The celebrity DJ, 36, was already dead upon arrival.

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According to the source, a worried friend called police when he couldn't gain entry into DJ AM's seventh-floor New York City apartment. The fire department, police and EMS opened the door shortly after 5 p.m. EST.

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"He was found in his bedroom, in bed, face down," the police source told Us late Friday, adding that he had no shirt but was wearing sweatpants.

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"Adam 'DJ AM' Goldstein was found deceased this afternoon in his New York City apartment," his rep said in a statement Friday. "The circumstances surrounding his death are unclear. Out of respect for his family and loved ones, please respect their privacy at this time."