U.S. officials fear tragic model Anna Nicole Smith's passport has been improperly accessed, joining presidential candidates Hillary Clinton, John McCain and Barack Obama on the list of targets. The passport information of famous Americans has been suspiciously viewed at least 20 times since January, according to an investigation by the internal state department, reports the New York Daily News.

Smith - who died from an accidental drug overdose in Florida in February 2007 - has been posthumously hauled into the investigation, after an alleged bogus request from the U.S. Embassy in the Bahamas for information needed to complete her death certificate. The state department is adding this apparent breach to their investigation and may call in the Department of Justice if needed.

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