Part 2: Foundations of Criminal Law Flashcards
What is the concept of “Actus non facit reum nisi mens sit rea”?
“Actus non facit reum nisi mens sit rea” means an act is not criminal unless the mind is criminal too, i.e., the intention (mens rea) is required for all common law offences and many statutory offences, with some exceptions (see week 8 for more details).
What is the difference between mens rea and actus reus?
Mens rea refers to the mental state of the offender at the time of the crime (their intention), while actus reus refers to the physical act of committing the crime.
What is actus reus?
Actus reus is the forbidden situation or physical element of a crime. This can include:
Acts - The physical actions committed.
Omissions - Failing to act when required.
State of affairs - Rare situations, such as a statutory offence where it’s illegal to be drunk and incapable of caring for yourself in public.
What are conduct crimes in criminal law?
Conduct crimes are crimes where only the forbidden conduct needs to be proven, without the need to prove harmful consequences. For example, someone accused of dangerous driving doesn’t need to prove harm, just the dangerous driving itself.
What are result crimes in criminal law?
Result crimes require proof that the crime caused or resulted in consequences. For example, in a murder charge, it must be proven that someone was killed. If the victim survives, the accused cannot be charged with murder, only attempted murder.
What is the link between conduct and result in criminal law?
In result crimes, the link between conduct and the result is crucial. The cause of the result must be proven; for example, in a murder case, the accused’s actions must be shown to have caused the death of the victim.
What was the ruling in Hogg v Macpherson (1928 JC 15)?
In Hogg v Macpherson (1928 JC 15), the High Court of Justiciary (3 judges) ruled that there was no voluntary act. The driver of a horse-drawn carriage was accused of knocking over a lamp, but the court found that it was the wind, not the driver’s actions, that caused the incident. Therefore, the driver was not liable as there was no actus reus or mens rea present.
What was the ruling in R v White [1910] 2KB 124 (CA)?
In R v White [1910] 2KB 124, the defendant White attempted to kill his mother by poisoning her drink. However, the drink was untouched, and medical evidence showed that the mother’s death was due to a heart attack. Since there was no causal link between White’s actions and her death, he was found not guilty of murder. He had the mens rea (intent to kill), but there was no actus reus, making it a case of attempted murder, not murder.
What is the significance of HM Advocate v Kerr and Others (1871) 2 Couper 334?
In HM Advocate v Kerr and Others (1871), the High Court of Justiciary ruled on the general rule that there is no liability for omissions unless there is a duty to act. In this case, Mr. Donald did not participate in the rape but watched the incident and did nothing to intervene. He was charged alongside the rapists but acquitted on appeal because he had no legal duty to intervene. Although it was immoral to watch, it was not a criminal offense. Therefore, he had no liability for the omission.
What are some exceptions to omissions in criminal law?
There are several exceptions to omissions where a person may be held liable for failing to act, including:
1.Statutory Duty – e.g., road traffic legislation (failure to display a tax disk or failing to repair tires can be an offence).
2.Contractual Duty – e.g., a babysitter has a duty to care for children, or a lifeguard has a duty to save people. Failure to act can lead to criminal consequences.
3.Family Relationships – Parents have legal duties, such as ensuring children receive necessary medical care.
4.Creation of a Dangerous Situation – If a person creates a dangerous situation and fails to remedy it, they can be held criminally liable for the crime that results.
What are the different mental elements of mens rea in criminal law?
The mental elements of mens rea include:
Intention – The person aims to bring about a particular result.
Recklessness – The person is aware of the risk but chooses to take it.
Negligence – The person fails to be aware of a risk that they should have been aware of.
What is the difference between subjective and objective mens rea?
Subjective mens rea focuses on what the accused person actually knew and intended. It asks if they knew the result would occur and if it was their intention to bring it about.
Objective mens rea is assessed using the reasonable person test, asking if a reasonable person would have foreseen the risk. It is generally easier to prove objective mens rea than subjective mens rea.
What is the difference between mens rea and motive?
Mens rea is the intention to commit a crime, whereas motive is the reason why the crime was committed. They are not the same. A person’s motive doesn’t necessarily affect their mens rea.
What was the ruling in Quinn v Lees (1994) SCCR 159 regarding motive and mens rea?
In Quinn v Lees (1994) SCCR 159, the accused was charged with assault for telling a dog to attack 3 boys, claiming it was a joke. The appeal court upheld the conviction, ruling that even though the accused’s motive was a joke, his mens rea (intent to cause injury) was present, making it assault.
What was the ruling in Paton v HM Advocate (1936) JC 19 regarding recklessness?
In Paton v HM Advocate (1936), the accused was charged with murder after driving at high speeds, displaying a reckless disregard for the consequences. The High Court of Justiciary held that criminal negligence was the same as intent for the purpose of murder charges, even though the accused did not intend to kill.
What is the difference between recklessness and negligence in criminal law?
Recklessness is an utter disregard for the consequences of an action. A reasonable person would have recognized the risk but the accused chose to take it anyway.
Negligence occurs when a person fails to be aware of a risk that they should have been aware of. Negligence is required in crimes like involuntary culpable homicide and culpable injury.
What happens if both actus reus and mens rea cannot be established in a case?
If both actus reus (the physical act) and mens rea (the mental state) cannot be established, the result will likely be an acquittal, as both elements must be proven for a conviction.
What was the ruling in Thabo Meli v R [1954] WLR 228 regarding continuous acts?
In Thabo Meli v R [1954] WLR 228, a group of individuals assaulted a victim and threw what they thought was a dead body off a cliff. However, the victim was not dead and died later from exposure. The defense argued they no longer intended to kill since they thought the victim was already dead. The Privy Council held that the act of throwing the victim off the cliff was part of a continuous act, and since they had the intent to kill at the start, it was still considered murder.
What was the ruling in Roberts v Hamilton (1989) JC 1989 SLT 399 regarding transferred intent?
In Roberts v Hamilton (1989) JC, the accused attempted to hit B with a snooker cue but missed and instead struck her boyfriend. Although the accused did not intend to hurt the boyfriend, the court ruled that intent to injure someone was transferred. Therefore, the accused was held liable for the injury to the boyfriend under the concept of transferred intent.
What is meant by proximate causation in criminal law?
Proximate causation means that the cause of the result must be directly related to the accused’s act or omission. The causal factor must be close enough to the result for the accused to be held responsible.
Why is proving a causal link important in criminal law?
Proving a causal link between the accused’s actions and a particular result is essential in many crimes, such as:
Fraud – Linking false pretenses to the victim’s actions.
Aggravated assault – Proving that the accused’s conduct caused the aggravated assault.
Murder and culpable homicide – Demonstrating that the accused’s actions caused the victim’s death.
What was the ruling in HM Advocate v Robertson and Donoghue (1945) regarding “taking the victim as you find them”?
In HM Advocate v Robertson and Donoghue (1945), the accused struggled with an elderly shopkeeper, shaking him, which triggered a fatal heart attack due to the victim’s weak heart. The court applied the “take the victim as you find them” rule, holding that the violence was the cause of the death. The involuntary culpable homicide conviction was upheld, and the accused was held fully responsible for the victim’s death, even though the victim had a pre-existing condition.
What was the ruling in R v White regarding causation?
In R v White, the accused attempted to poison his mother, but she died from a heart attack instead, not from the poison. The court found there was no causal link between the poisoning and the death. The court applied the “but for” test, finding that although the accused intended to kill her, he was guilty of attempted murder, not murder, as the poison was not the actual cause of death.
What was the significance of McDonald v HM Advocate (2007) regarding the victim’s contribution to their own death?
In McDonald v HM Advocate (2007), two accused seriously assaulted a victim and locked him in a third-floor flat. The victim tried to escape by climbing out of a window and fell to his death. Although the victim’s actions contributed to his own death, both accused were still convicted of culpable homicide because the assault was considered a contributing cause of the death. The court followed the principle of taking the victim as you find them, even though the victim was under the influence of drugs at the time.