The doctor convicted of involuntary manslaughter in the death of Michael Jackson claims the singer was “chemically castrated” by his abusive father to maintain his high pitched voice.



Conrad Murray spoke out following the death of the King of Pop’s dad, Joe Jackson, last month.



The disgraced doctor blasted the Jackson patriarch over his “cruelty” towards his children.



Murray said: “Joe Jackson was one of the worst fathers to his children in history.



“The cruelty expressed by Michael that he experienced at the hand of his father.



“The fact that he was chemically castrated to maintain his high-pitched voice is beyond words.”

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His “chemical castration” theory stems from allegations Joe had Michael receive hormone injections when he was 12-years-old in an effort to cure his acne and prevent his voice from deepening.



Murray, 65, previously made the allegation in his 2016 self-published book “This Is It! The Secret Lives of Dr Conrad Murray and Michael Jackson.”



Thriller icon Michael, who died aged 50 from a drug overdose in June 2009, told Oprah Winfrey in 1993 of the abuse his father inflicted.

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The King of Pop said his father would sit with a belt in his hands as he and his brothers Jackie, Tito, Jermaine and Marlon rehearsed as The Jackson Five during the 1960s.



He said: “If you didn’t do it the right way, he would tear you up, really get you.”



Michael died from a lethal mix of propofol and other sedatives, some of which had been administered by Murray.

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The doctor served four years for involuntary manslaughter although still insists he is innocent.

Since Joe Jackson patriarch’s death, many of the family have leapt to his defence.



Michael’s son Prince Jackson hit out on Instagram, writing “Keep talking all the s* you want that he abused my dad. He raised these kids right, otherwise, they would have been in gangs or f**** dead.”