Criminal Law- Involunary Manslaughter (Unlawful and Dangerous act M/S & Gross Negligence M/S) Flashcards
(47 cards)
what is Involuntary manslaughter
it is the name given to an unlawful homicide where the actus reus of murder has taken place, but without the mens rea of murder.
what are two kinds of involuntary manslaughter under common law:
- Unlawful and dangerous act/ constructive manslaughter.
2. Gross negligence manslaughter.
what is the definition of constructive/ unlawful act manslaughter
Killing by doing an act that is both ‘unlawful’ and ‘dangerous’.
what elements are included in the construction of D’s liability
Unlawful act + dangerousness + death = ULA M/S
what are elements make up the AR of constructive manslaughter
- An unlawful act
- The act was dangerous
- The act has caused the death of a human being
- Within the Queen’s peace
what 3 things make an unlawful act
- death must be caused by an act
- the unlawful act must be a crime
- the unlawful act will typically be a battery or an assault
what other criminal acts can be classed as an unlawful act for constructive M/S
criminal damage, arson, burglary, robbery, misuse of drugs act 1971, stalking
explain the case of Dawson in relation to the dangerousness test
f: D’s attempted to rob a garage carrying imitation firearms but the 60 year old attendant died due a heart condition.
H: When applying the objective test laid down in Church, ‘sober and reasonable people’ could be assumed to have the same knowledge as the actual defendant. The reasonable person could not have been aware of the attendant’s bad heart.
explain the case of Watson in relation to the dangerousness test
F: 87 year old frail man was burgled by the D’s. Suffered a heart attack and died.
H: The accused’s unlawful act became dangerous as soon as the old man’s frailty and old age would have been obvious to a reasonable observer.
explain the case of JM & SM in relation to the dangerousness test
F: Brother thrown out of a nightclub and started a fight with the bouncers. One bouncer was suffering from an aneurysm and died.
H: The sober and reasonable person only had to foresee some harm. They did not have to foresee a specific type of harm.
explain the case that corresponds with point 1 of what makes an unlawful act in constructive M/S
LOWE
F: the appellant’s child died from neglect, the trial judge directed the jury that if they found the him guilty of the offence if neglect they must also find him guilty of manslaughter on the grounds that neglect was an unlawful ct. the jury convicted him of both neglect and manslaughter
H: he was not found guilty of manslaughter because there must be an act however he was found guilty of s1 (1) CYPA 1933 of wilful neglect.
explain the case that corresponds with point 2 of what makes an unlawful act in constructive M/S
Franklin 1883
H:If the act is a tort the D will be convicted of Gross Negligence manslaughter.
explain the case that corresponds with point 3 of what makes an unlawful act in constructive M/S
LAMB
F: A pointed a gun at his friend, as a joke and with no intention of harming him. He thought the two bullets in the gun were not lined up opposite the barrel so it could not fire. However pulling the trigger cause the barrel to rotate and the gun went off killing his friend.
H: D and his friend viewed the incident as joke. There was no unlawful act as Lamb did not intend or foresee the risk of hitting his friend (battery), nor of frightening him (assault).
explain the case that corresponds with criminal damage being included as a criminal act that can amount to constructive M/S
DPP v Newbury and Jones (1977)
F: Two fifteen year old boys pushed a paving stone from a bridge onto the cab of a train. The stone smashed through the cab window and hit a guard and killed him.
H:They were convicted of manslaughter. The HL upheld their convictions – without specifying what offence the conviction was based on. The most obvious is criminal damage.
explain the case of Bristow in relation to the dangerousness test
H: CA stated burglaries were not automatically dangerous [this was because is was carried out at night near neighbouring residential properties so there was a risk the burglars would be interrupted and ensuing danger to anyone arriving on the scene].
what is the for factual causation, cite a case to support?
but for test (white)
what is the test for legal causation in crime?
operating and substantial cause of death
what is the main test for a novus actus interveniens?
more than a trifling link
cite a case for third parties and victims breaking the chain of causation
third party= Pagett
act of victim= Roberts
what is the test for medical issues being a novus actus interveniens from Chesire?
medical intervention must be palpably wrong
what is the the thin skull rule cite a case to support?
blaue
explain the case of kennedy?
F: V asked D for something to help him sleep, D gave V a needle filled with heroin. V paid and injected himself and left. He died an hour later.
H: If V freely and voluntarily administered the injection knowing what it was, this means that D was not the cause of death. His supplying of the drug did not cause the death, the voluntary injection by the V did.
explain the case of shohid?
F: D was one of a group of men who attacked the V and his friend on the platform of a railway station. V and his friend were forced onto the railway track, and the friend was able to climb back onto the platform. V however, was prevented from doing so by some of the attackers, not including D and was killed by a train.
H: The unlawful and dangerous act need not be the sole cause of death, so long as it was not trivial.
[original act sufficiently serious to cause death in this case]
explain the ratio of the case of lamb HL
H: D lacked the mens rea for either offence, and so did not have the mens rea of unlawful and dangerous act manslaughter either.
NB: If the underlying unlawful act is one of strict liability then no MR is required.