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LOS ANGELES (AP) -- The attorney for Michael Jackson's doctor says he is negotiating his client's surrender to Los Angeles County authorities.

A statement Thursday from attorney Ed Chernoff says he's holding talks with the district attorney's office for the surrender of Dr. Conrad Murray.

Law enforcement officials have told The Associated Press that prosecutors plan to charge Murray with involuntary manslaughter for giving Jackson a powerful anesthetic that led to his overdose death in June.

Murray hasn't been charged yet, but another official says Murray is scheduled to be arraigned Friday. The officials spoke on condition of anonymity because of the case's sensitivity.

Murray maintains that nothing he gave Jackson should have killed him.