Murder Flashcards
What is the definition of murder according to Lord Coke?
The unlawful killing of a reasonable creature in being under the King’s peace with malice aforethought express or implied.
What are the three components of actus reus in murder?
- Unlawful killing
- Reasonable creature in being
- Under the King’s peace
What does unlawful killing require?
The defendant must have factually and legally caused the death of the victim.
Can murder be committed by omission?
Yes, if there is a duty to act.
What is required for causation in murder?
Murder is a result crime; factual and legal causation must be proved.
What is the legal status of a foetus in the context of murder?
A foetus must have an existence independent of its mother to be considered a reasonable creature in being.
What case clarified that a braindead person is not a reasonable creature in being?
Malcherek suggested that a braindead person would not be considered a reasonable creature in being.
What does the term ‘malice aforethought’ refer to?
- Express malice aforethought = intention to kill
- Implied malice aforethought = intention to do GBH
What is diminished responsibility?
A special defence that can only be used for murder, reducing it to voluntary manslaughter.
What are the four elements of diminished responsibility?
- Abnormality of mental functioning
- Recognised medical condition
- Substantial impairment
- Provides an explanation
What does ‘abnormality of mental functioning’ mean?
A state of mind so different from that of an ordinary human being that the reasonable man would term it abnormal.
What is required to prove a recognised medical condition for diminished responsibility?
The abnormality of mental functioning must be caused by a recognised medical condition.
What does ‘substantial impairment’ refer to in diminished responsibility?
The AOMF must substantially impair the defendant’s ability to understand their conduct, form a rational judgment, or exercise self-control.
What is the standard of proof for diminished responsibility?
Balance of probability (51%).
What is the general rule regarding intoxication and diminished responsibility?
Intoxication alone cannot support a defence of diminished responsibility.
What does the term ‘loss of control’ refer to in the context of murder?
A statutory defence where the defendant’s acts or omissions in the killing resulted from a loss of control.
What are the three elements of loss of control?
- Loss of control
- Qualifying trigger
- The objective test
What constitutes a qualifying trigger for loss of control?
- Fear of serious violence from the victim
- Anger from things said or done that are extremely grave and cause a justifiable sense of being seriously wronged
What is the objective test for loss of control?
Whether a person of the defendant’s sex and age with normal tolerance and self-restraint would have reacted similarly.
What is unlawful act manslaughter?
An offence contained in common law with elements including an unlawful act, dangerous act, causation of death, and required mens rea.
What are the four elements needed to prove unlawful act manslaughter?
- Unlawful act
- Dangerous act
- Causing the death
- Required mens rea for the unlawful act
What is the test for dangerousness in unlawful act manslaughter?
Would the reasonable man foresee the risk of some harm in the circumstances?
What is gross negligence manslaughter?
A form of involuntary manslaughter where the defendant caused the victim’s death without the mens rea for murder.
What are the four elements of gross negligence manslaughter?
- Duty of care owed
- Breach of duty causing death
- Negligence must be gross
- Obvious risk of death