Topic 1 - Core principles Flashcards
(85 cards)
What is actus reus?
The guilty action or omission that constitutes an essential ingredient of any crime.
What are the key elements of criminal liability?
Criminal liability = actus reus and mens rea and absence of a valid defence.
List the four types of actus reus.
- conduct
- result
- circumstances
- omissions
What is a conduct offence?
An offence that requires certain acts to have been committed by the defendant to satisfy actus reus.
What is a result offence?
An offence where the defendant’s action must lead to a specified consequence.
What is an example of a result offence?
Murder, where the actions of the defendant must cause the death of the victim.
What does actus reus of theft include?
Appropriation of property ‘belonging to another’.
What is the definition of causation in relation to result crimes?
Causation = Factual causation + Legal causation.
What is the ‘but for’ test?
‘But for’ the acts or omissions of the accused, the relevant consequence would not have occurred.
What is factual causation?
The jury must be satisfied that the acts or omissions of the accused were in fact the cause of the relevant consequence.
What is legal causation?
It must be established that the acts or omissions of the accused were a legal cause of that consequence.
What is the actus reus of murder?
The unlawful killing of a human being under the Queen’s Peace.
What does the case R v White illustrate about factual causation?
There was no causal link between the consequence and the defendant’s act.
What is a novus actus interveniens?
A subsequent event or act that breaks the chain of causation.
What principle did R v Hughes establish regarding legal causation?
The defendant’s act must be the ‘substantial’ cause of the prohibited harm.
True or False: A defendant can be held liable for actions that merely accelerate death.
True.
Fill in the blank: Result crimes require that the defendant’s conduct cause a particular _______.
[result].
What must the prosecution prove to establish legal causation?
The defendant must be the ‘operating and substantial’ cause of the prohibited consequence.
In R v Pagett, what was the key issue regarding causation?
Whether the defendant’s actions caused the police to fire back, resulting in the girl’s death.
What does the thin skull rule imply in legal causation?
A defendant is liable for the full extent of harm caused, even if the victim had a pre-existing condition.
What is the legal stance on medical malpractice breaking the chain of causation?
Courts are reluctant to allow medical malpractice to break the chain of causation.
This reflects the principle that the original wrongdoer’s actions remain the primary cause of the outcome.
In R v Pagett, what was the outcome regarding the chain of causation?
The Court of Appeal held that the chain of causation is only broken if the actions of the third party were ‘free, deliberate and informed’.
In this case, the police’s actions were deemed reasonable and not free or deliberate.
What are the three types of acts of the victim that can affect causation?
- ‘fright and flight’ cases
- refusing medical treatment
- suicide.
These categories help determine if the victim’s actions break the causal link.