Cop helped out grass in the ‘hatchet in the head’ case

A senior Scotland Yard detective helped a supergrass to avoid paying £2.4m to the state in return for giving evidence against four suspects in the notorious murder of a private eye, the High Court heard. Detective Chief Superintendent David Cook allegedly interfered with a financial probe into drug baron James Ward, reducing the bill he owed from over £3m to just £600,000. In return, Ward allegedly cooked up statements against four men to implicate them in the 1987 murder of…