Natalie Wood Death Certificate Amended

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The Los Angeles coroner's office has amended Natalie Wood' death certificate to reflect growing questions in the reopened case surrounding the actress' drowning death in 1981.

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Previously ruled as "accidental," Wood's death certificate now reads the cause of her passing 30 years ago is classified as "undetermined," reports the Associated Press.

In addition, the modified documents raise questions in regards to her death by drowning as it remains unclear to investigators how Wood got into the water in the first place.

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Natalie Wood's case was reopened last November after detectives confirmed several sources came forward with new information. The actress drowned while boating off the coast of Catalina Island in 1981.