CNN 's Sonya Hamasaki contributed to this report . Vivid descriptions of Jackson 's corpse are published by tabloid newspapers . The coroner concludes that the cause of death was a massive heart attack, but it is not clear if this was caused by Jackson's drug use or his suicide attempt. A sheriff 's spokesman did not say what prompted the request . The coroner 's office is investigating the cause of Jackson 's June 25 death .
Vivid descriptions of Jackson 's corpse are published by tabloid newspapers . The coroner concludes that the cause of death was a massive heart attack, but it is not clear if this was caused by Jackson's drug use or his suicide attempt. A sheriff 's spokesman did not say what prompted the request . The coroner 's office is investigating the cause of Jackson 's June 25 death .