THE NSW Opposition is calling for an urgent investigation into claims the murder of businessman Michael McGurk might be linked to a tape alleged to have information damaging to the State Government.
Premier Nathan Rees says he learnt of the alleged tape only when the media contacted his office for a response.
Sydney entrepreneur Jim Byrnes has said murdered associate Mr McGurk told him he had a tape recording of a conversation capable of bringing down the NSW Government and was concerned for his life.
Sydney Morning Herald journalist Kate McClymont has said Mr McGurk had told her he had audio containing revelations about the bribing of state and federal Labor politicians.
Mr McGurk, 45, was shot dead outside his home in Cranbrook Avenue, Cremorne, on Sydney's North Shore, about 6.30pm on Thursday.
His young son witnessed the killing.
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