Police Negligence in UK Law

There is no question that a police officer, like anyone else, may be liable in tort to a person who is injured as a direct result of his acts or omissions. So he may be liable in damages for assault, unlawful arrest, wrongful imprisonment and malicious prosecution, and also for negligence. Instances where liability for negligence has been established are Knightly v. Johns [1982] I W.L.R. 349 and Rigby v. Chief Constable of Northamptonshire [1985] 1 W.L.R. 1242.

The conclusion must be that although there existed reasonable foreseeability of likely harm to such as Miss Hill if Sutcliffe were not identified and apprehended, there is absent from the case any such ingredient or characteristic as led to the liability of the Home Office in the Dorset Yacht case. Nor is there present any additional characteristic such as might make up the deficiency.

In some instances the imposition of liability may lead to the exercise of a function being carried on in a detrimentally defensive frame of mind. A great deal of police time, trouble and expense might be expected to have to be put into the preparation of the defence to the action and the attendance of witnesses at the trial. The result would be a significant diversion of police manpower and attention from their most important function, that of the suppression of crime.

Whilst focusing on investigating crime, and the arrest of suspects, police officers would in practice be required to ensure that in every contact with a potential witness or a potential victim time and resources were deployed to avoid the risk of causing harm or offence. Such legal duties would tend to inhibit a robust approach in assessing a person as a possible suspect, witness or victim.

It is unnecessary in this case to try to imagine cases of outrageous negligence by the police, unprotected by specific torts, which could fall beyond the reach of the Hill principle. It would be unwise to try to predict accurately what unusual cases could conceivably arise. I certainly do not say that they could not arise. But such exceptional cases on the margins of the Hill principle will have to be considered and determined if and when they occur.

Tofaris and Steel in their article, Police Liability in negligence for failure to prevent crime: Time to Re-think, (Legal Studies Research Paper Series 39/2014, July 2014) define what they describe as the "omissions principle" in the following way: A is not under a duty to take care to prevent harm occurring to B through a source of danger not created by A unless either (i) A has assumed a responsibility to protect B from that danger, (ii) A has a special level of control over that source of the danger, or (iii) A's status creates an obligation to protect B from that danger.

While it is always tempting to yield to an argument based on the protection of civil liberties, I have come to the conclusion that the interests of the whole community are better served by not imposing a duty of care on the CPS. It would in some cases lead to a defensive approach by prosecutors to their multifarious duties. It would introduce a risk that prosecutors would act so as to protect themselves from claims of negligence.