Mitigating, Justifying and Excusing Homicide Flashcards
what are the 3 categories of defence?
justification/permission - self-defence
excuse - loss of self-control defence
exemption - mental/physical incapacity
what is the defence of ‘provocation’?
what is it governed principally by?
loss of self-control defence
Homicide Act 1957 s.3
what were the 3 categories previously found to be a justification for provocation under R v Mawgridge 1707?
insulting someone
seeing an Englishman unlawfully deprived of his liberty
catching your wife in the act of adultery
what was created in 2009 to replace the partial defence of provocation under s3 of Homicide Act 1957?
Coroners and Justice Act 2009 ss54-55
what change was made to the Homicide Act 1957 in the CJA 2009 for the loss of self-control defence?
maintained subjective condition - that D has a partial defence to murder if they killed V as a result of loss of self-control
readdressed objective condition
what is the current defence of loss of self-control?
s.54
subjective
killed V as a result of loss of self-control
objective
a. caused by fear of serious violence AND/OR things said or done amounting to exceptionally grave circumstances (‘qualifying trigger’)
b. person of ordinary powers of tolerance and self restraint might have acted in the same way in the circumstances
what is meant by a ‘qualifying trigger’?
s.55
fear of serious violence
things said/ done that constituted circumstances of an extremely grave character and caused D to have a justifiable sense of being seriously wronged
what will exclude action from V that serves as a qualifying trigger for D’s ‘loss of self-control’ defence?
if D incited the comment or action
ALSO action in response to sexual infidelity
why did the Ministry of Justice articulate that sexual infidelity should not be a consideration of being a qualifying trigger?
because these scenarios ‘are essentially commonplace and people need to be able to deal with them without resorting to violence’
what judge expressed uneasiness about the exclusion of sexual infidelity as a consideration for loss of self-control defence?
Lord Phillips
what did Clinton (2012) establish about the consideration of infidelity for loss of self-control defence?
cannot take it into account when it is the ONLY provocation
what did Dawes (2013) establish about the loss of self-control defence?
judges should not leave consideration of the defence to the jury if there is no evidence of a loss of control or at least one of the triggering conditions
what is the checklist for the defence of loss of self-control?
- evidence that a reasonable jury would find the defendant to succeed
- evidence of a loss of self-control due to a qualifying trigger
- qualifying triggers satisfied - grave circumstances and being seriously wronged OR fear of serious violence
- whether a person with the normal degree of tolerance or self restraint would have acted similarly
- whether disqualifying conditions are applicable - revenge, self-induced or infidelity
where can reference to self-defence for killing be found in statute?
what does it hold?
Criminal Law Act 1967 s3
person may use force that is reasonable in the circumstances, in the prevention of a crime or in effecting or assisting in the lawful arrest of suspected/offenders
what case held that the law of self-defence ‘is not complicated’ and a ‘universally recognised, common sense concept’?
Keane v McGrath 2010