Dr. Conrad Murray, personal physician to Michael Jackson, was charged Monday with involuntary manslaughter in connection with the pop star’s death last summer.A criminal complaint filed earlier in the day alleged that Murray “did unlawfully, and without malice, kill Michael Joseph Jackson.” Murray turned himself in shortly before 4 p.m. at a branch courthouse near Los Angeles International Airport. He pleaded not guilty during a brief hearing before Judge Keith L. Schwartz. The judge set bail at $75,000, despite arguments from prosecutor David Walgren that Murray is a flightpower leveling aion risk.The judge refused to suspend Murray’s medical license as a term of his bond, but he did order him not to use any anesthesia on patients.“I don’t want you sedating people,” Schwartz told Murray.