Unlawful Act Manslaughter

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CRIMINAL LAW SUMMATIVE 17-02-2015
A. Introduction
This essay concerns liability in homicide in English law. Divided in two parts, this essay will discuss the actus reus causality, mens rea, partial defences, and establish liability under unlawful act manslaughter as likely for both defendants, in light of given facts, statutory law, common law, and legal theory.
B. PART I – PHILLIP - Actus Reus
LJ Coke’s definition of murder can be summarized in common law as “the unlawful killing of a human being in the Queen’s peace” . Unlawful killing can be committed by an act or an omission to act. In order to be convicted of a murder charge, the prosecution must prove both the actus …show more content…

This would fail as there is no evidence of Phillip being intoxicated as in Dietschman and Dowds, and if there were, such a defence failed in both cases. The second defence was called provocation under the Homicide Act 1957 and is now called loss of control under the Coroners and Justice Act 2009. Primarily applicable to crimes of passion, the “reasonable man” debate from Lesbini 1914 is now subject to two qualifying triggers under the 2009 Act. First, Phillip must apprehend violence, secondly, the circumstances must be of extremely grave character and Phillip must have a justified sense of being seriously wronged . The banality of Phillips situation cannot satisfy either. As in Ahluwalia , the passage of time between the previous night’s loud noise and the death erodes the sincerity of the defence . The defence of suicide pact is irrelevant and would not be …show more content…

Prima facie, Tessa’s interaction was the factual and legal causation of Doris’ heart attack. However, it is necessary to demonstrate that Tessa “accelerated the victim’s death by more than a negligible amount”. It is not necessarily true that “but for” Tessa’s attempt to grab Doris’ phone, she would not have suffered the harm that caused her death, so proper defence may cause the factual causality test in Dyson and White to fail. Moreover, the defence can likely erode certainty pertaining to legal causality. Tessa’s act must be a “substantial” cause of the result, and not a “slight or trifling link”. The court may find the act is de minimis. Tessa’s act must also be the operating cause of the death. Based on evidence submitted, the court could find the defendants act was entirely unconnected with the heart attack, or wholly responsible. If the latter, the actus reus for murder and manslaughter would be satisfied, and mens rea and defences would determine.
However, Doris’ pre-existing condition is subject to the “thin skull rule”, the maxim that the defendant “take their victims as they find them”. In Hayward, the fact the wife’s death was from a medical condition was ruled irrelevant, as Tessa’s ignorance of Doris’ condition would be . Theorist Klimchuk argues the thin skull rule is an exception to the reasonable foreseeability test and rooted in Kantian

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