On 30 September 2021, the Investigatory Powers Tribunal handed down its judgment (IPJ) in the case of Kate Wilson v The Commissioner of Police of the Metropolis and National Police Chiefs’ Council. In a unanimous decision, the Tribunal concluded that in failing to adequately train and monitor the conduct of a former member of the National Public Order Intelligence Unit (NPOIU) - Mark Kennedy (MK) - AKA Mark Stone - who, in pursuance of police covert operations, had deceived