Negligence – Duty to take care. The claimants were both victims of the 'black cab rapist'. They brought complaints against the police for the manner in which they had handled their specific allegations and the conduct of the investigation as a whole. The claims were brought under the Human Rights Act 1998. The Queen's Bench Division held that there was, in certain circumstances, a duty imposed upon the police to conduct investigations into particularly severe violent acts perpetrated by private parties in a timely and efficient manner. The conditions laid down in law pursuant to which the police might be liable were relatively stringent, however in the instant case those conditions had been met.