Mr Shayler is accused of disclosing state secrets in 1997 in a series of newspaper articles about alleged illegal activities and incompetence in the security services.

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Carey also fielded a few questions from analysts about the ongoing investigations, internal and external, into alleged phone hacking and other illegal activities by News Corp. newspaper journalists.

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The move comes a year after the Boston Globe newspaper revealed that the company was employing illegal immigrants.

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She was among hundreds of victims of the illegal practice which led to the closure of the newspaper in 2011.

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James Murdoch said Tuesday that he had no reason to look into illegal eavesdropping by his employees when he took over the company's British newspaper subsidiary in December 2007.

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