First: FACTUAL CAUSATION a logical link between the conduct and the consequences, usually made by expert evidence. “BUT FOR” the act, would the harm have occurred? (medical, mechanical or physical sense)
Winning 1973 ONCA
Accused convicted of obtaining credit from Eaton’s by false pretences (giving false info except for her name and address). There was no evidence that the store relied on her information.
Held: had Eaton’s relied on the application form in full, she would have been guilty. Credit was given in reliance of her, not the form, they only used her name and address which were correct.
Second: LEGAL CAUSATION is the factual link enough to invite a finding of criminal liability? It must be a contributing significant cause to the death (Smithers/Nette), or for first-degree murder, it must be an essential, substantial and integral part of the killing.
Smithers 1978 SCC
Hockey game, accused punched and kicked the deceased. Dead on arrival to hospital. Victim died on aspiration: unclear if from the kick or purely from malfunctioning epiglottis.
Held: a legal cause is “any contributory cause that is beyond the de minimum range” (not trivial or insignificant)
No need for the conduct to be the sole cause/main cause or even substantial cause
Can be more than one actor that is legally liable
It is no defence to manslaughter that the death was unexpected and the physical reactions of the victim to the assault unforeseen, or that death would not normally result from the act.
Harbottle 1993 SCC TEST FOR 1ST DEGREE MURDER
The accused confined and watched as his companion assaulted a young woman. He held her legs while the companion strangled her. He was charged with first-degree murder.
Held: It was planned and premeditated by both men. “Caused” is broader and can include perpetrators and those who assist in the murder.
Under s.235, the accused’s actions must form an essential, substantial and integral part of the killing of the victim (higher than Smithers for manslaughter) increased degree of moral culpability.
“the gravity of the crime and the severity of the sentence both indicate that a substantial and high degree of blameworthiness, above and beyond that of murder, must be established”
Nette 2001 SCC
Elderly woman robbed and tied up, cause of death was asphyxiation. Accused charged with 1st degree murder on the basis of the unlawful confinement and that it was one continuous sequence of events. He was convicted of 2nd degree murder
Held: Harbottle is reserved for 1st degree. Other homicide offences use the Smithers test. It was reworded and is now “significant contributing cause” (in order to make jury instruction more clear)
All causation is subject to three REMOTENESS DOCTRINES
R v Blaue 1975 England: A young woman was stabbed, needed a blood transfusion and surgery to save her life, she refused the transfusion and consequently died. The accused was charged with manslaughter. The religious beliefs did not break the chain of causation.
Remoteness: if the consequences were too remote there cannot be legal causation
Intervening Causes: breaks the chain of causation. It will not be an intervening act if it was dependable (dependent on the original act of the accused) or foreseeable.
A new event, subsequent event, act of a third party
Thought to be so significant in the causing or bringing about of a harm that the accused’s original act is no longer a significant cause of the harm
Accused shot at police officers who were attempting to arrest him. He had with him a 16 yr old girl who was pregnant, used her body to shield himself. She was killed and he was charged with murder. Firing bullets in self defence (police officers) is not enough to break the chain of causation
Police firing shots was a direct cause of the accused’s conduct – LEGAL CAUSE of the victim’s death
S.R. (J.) 2008 ONCA
Situation similar to Pagett. An innocent bystander was hit when a gunfight broke out. The accused’s conduct was a contributing cause to her death. “But for” the decision to engage in a gun-fight, she would not have been killed.
Maybin 2012 SCC
Test for intervening cause: is the subsequent act or event so strong or overwhelming that the accused’s contributing act is now insignificant, as to break the chain of causation?
Factual causation is not limited to the direct and immediate cause, nor to the most significant cause (Smithers and Nette). Even if there was an intervening act, the same causation test still applies.
Can use analytical aids: as the act reasonably foreseeable? Was it an independent act?
Criminal Code Provisions relating to Homicide (causation and mens rea)
s.222
Anyone who “causes the death” of a human being commits homicide (only culpable is an offence: murder, manslaughter, or infanticide, death by unlawful act, criminal negligence, threatening causing death, wilfully frightening a child or sick person causing death)
s.224
Even if death from the cause could have been prevented by resorting to proper means, if the cause results in death they caused the death (applies to all homicides)
s.225
Causing bodily injury that is of a dangerous nature and death results, causes the death notwithstanding that the immediate cause is proper or improper treatment that is applied in good faith
Kitching and Adams, even if the doctors are the operative cause of death
s.226
Causing bodily harm resulting in death even if the effect of the injury was to accelerate his death from a disease or disorder, causes the death
s.228
NO cause if the death was caused by influence of the mind alone (unless wilfully frightening a child or sick person)
Where the offence has language such as: “dangerous”, “careless”. Where there is a marked departure from the actions or foreseeability of a reasonable person.