I : Defendant could be Criminally liable for the common law offence of Murder.
D: This is defined as the unlawful killing with malice aforethought.
E: The Actus Reus is the unlawful killing. This must be an act or omission which causes death.
A: (In this case D has voluntarily ... what act caused V's death > Apply Factual (Pagett) and Legal Causation (Cheshire))