What must be shown to establish the defence of self-defence?
It must be shown that the victim posed a threat, the threat was unjustified, the use of force was necessary, the degree of force was reasonable, and the defendant was acting to defend themselves or others.
What must a defendant show to establish the defence of duress?
The defendant must show they committed the crime due to threats of death or grievous bodily harm and that a reasonable person would have acted similarly.