“The final question that you have to ask in relation to Mr Yaqoob is this: did his breach of duty – this is if you find one – amount to gross negligence? Now in order to discharge a duty of care the law requires that there should be exercised a reasonable degree of care and competence, and any breach of duty of that kind may excite civil liability if it has been the cause of the loss. It may, for example, be a simple act of inadvertence which is a breach of duty, perhaps by a person who is already bearing a very heavy load of work, but where the breach of duty is charged as a criminal offence, the criminal offence of manslaughter, there must be a graver breach than one which simply involved inadvertence. To be guilty of manslaughter the defendant must be grossly in breach of his duty, grossly negligent.”
“The jury will have to consider whether the extent to which the defendant’s conduct departed from the proper standard of care incumbent upon him, involving as it must have done a risk of death to the patient, was such that it should be judged criminal. It is true that to a certain extent this involves an element of circularity, but in this branch of the law I do not believe that is fatal to its being correct as a test of how far conduct must depart from accepted standards to be characterised as criminal. This is necessarily a question of degree and an attempt to specify that degree more closely is I think likely to achieve only a spurious precision. The essence of the matter, which is supremely a jury question, is whether, having regard to the risk of death involved, the conduct of the defendant was so bad in all the circumstances as to amount in their judgment to a criminal act or omission.”
“If A has caused a death of B by alleged negligence, then, in order to establish civil liability, the plaintiff must prove (in addition to pecuniary loss caused by the death) that A owed a duty to B to take care, that that duty was not discharged, and that the default caused the death of B. To convict A of manslaughter, the prosecution must prove the three things above mentioned and must satisfy the jury, in addition, that A’s negligence amounted to a crime. In the civil action, if it proved that A fell short of the standard of reasonable care required by law, it matters not how far he fell short of that standard. The extent of his liability depends not on the degree of negligence, but on the amount of damage done. In a criminal Court, on the contrary, the amount and degree of negligence are the determining question. There must be mens rea …In explaining to juries the test which they should apply to determine whether the negligence, in the particular case, amounted or did not amount to a crime, judges have used many epithets, such as ”culpable,” “criminal”, “gross”, “wicked”, “clear”, “complete.”
“There will, of course, be numerous occasions when these distinctions are entirely theoretical. From time to time, however, they will be of great significance, not only to the decision whether to prosecute, but also to the risk of conviction of manslaughter. In our judgment, where the issue of risk is engaged, Adomako demonstrates, and it is now clearly established, that it relates to the risk of death, and is not satisfied by the risk of bodily injury or injury to health. In short, the offence requires gross negligence in circumstances where what is at risk is the life of an individual to whom the defendant owes a duty of care. As such it serves to protect his or her right to life.”
“There was, you may have felt, nothing that could be described as any routine system for maintenance. He mainly relied for discharge of his duty on the checks or inspections that he conducted himself.”