The family of Michael Jackson is outraged by Dr. Conrad Murray’s not guilty plea to a charge of involuntary manslaughter in the death of the pop superstar. Murray pled not guilty to the charge he caused Michael Jackson’s death in court on Monday.

The Los Angeles District Attorney’s Office could file charges against Dr. Conrad Murray in the death of Michael Jackson within the next few days. Dr. Conrad Murray, who served as Jackson’s personal physician, is expected to be charged with involuntary manslaughter in the pop icon’s death.

Dr. Conrad Murray, who allegedly gave Michael Jackson the cocktail of prescription medications that led to his death, may face manslaughter charges. The Los Angeles Police Department has reportedly completed their investigation into Michael Jackson’s death and will be handing over the results to the District Attorney shortly.