Why Does Mary-Kate Olsen Need Immunity To Speak To Police About Heath Ledger's Death?

Reports show that Mary-Kate Olsen is refusing to provide investigators with information about Heath Ledger's death unless they give her immunity. Immunity from what?

Heath Ledger was an Australian actor that died at the age of 28 from an accidental overdose . Ledger died after making the Batman movie, DarkKnight, to which hollywood buzz said was an "oscar worthy" performance. Ledger won the best actor Oscar nomination for his role in the 2005 blockbuster, Brokeback Mountain, where he played a gay cowboy. Mary-Kate Olsen was the first person that a a masseuse called after finding Heath Ledger dead in his bedroom of his apartment in Manhattan and according to her lawyers, Olsen has provided all relevant information. Authorities say they have been attempting to question her further about how Ledger obtained two powerful painkillers that contributed to his accidental death on January 22, 2008. Olsen's lawyer, Michael C. Miller, issued a statement which said, "We have provided the government with relevant information including facts in the chronology of events surrounding Mr Ledger’s death, and the fact that Ms Olsen does not know the source of the drugs Mr Ledger consumed.”

Heath Ledger. - Photo: Focus Features

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Reports say that Olsen is refusing to cooperate further unless she is offered immunity from prosecution, which begs the question of what she need immunity from, and what type of information can she relay to authorities that would require her to receive immunity? According to Charles Hirsch, the chief medical officer, Ledger "died as the result of acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam, and doxylamine. We have concluded that the manner of death is accident, resulting from the abuse of prescription medications." Authorities believe Ledger obtained the oxycodone and hydrocodone with either fake prescriptions or some other illegal manner.