A man who claims to be the grandfather of Angelina Jolie's newly adopted son says the biological mother is a heroin addict and will cause trouble one day to battle custody with Anegelina.
The grandfather who is identified as Chien (55), told Britain's News of the World: "When she finds out that a rich movie star has adopted her baby, she will go after her for money and make trouble for her.
"She may even try to take the child back."
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