Roh denied the allegations in a written statement submitted to the prosecution on Saturday, according to Yonhap.

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"Companies that complain most bitterly about short-selling are often the companies most in need of governmental investigation and possibly prosecution, " he said in his written testimony.

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On the final day of the prosecution case the jury was read eight suicide notes written by Mairead Philpott after her husband's former mistress Lisa Willis walked out with her five children.

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The Serious Organised Crime and Police Act means someone accused of committing a crime can enter into a written agreement to become what's called an assisting offender and help the prosecution by giving evidence against other alleged criminals.

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But the head of Scotland's public prosecution service - Lord Advocate Frank Mulholland - hit back, questioning why Mr Cable had written to Lord Wallace rather than the Crown Office.

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