Unlike murder, manslaughter is the unlawful killing of another person. The difference being that manslaughter is the unintentional or accidental killing of the deceased. 

The prosecution must prove beyond reasonable that that you committed the act with:

• You were acting in excessive self-defence, or
• You owed ‘duty of care’ to the deceased (criminal negligence), or
• Your actions were unlawful or dangerous, or
• Omission (lack of action by you)

Defences to this charge

• Self-defence
• Duress
• Necessity
• Automatism
• Mental Illness