The November 2020 A-level Law Paper 1 explores key criminal law principles, including omissions, diminished responsibility, causation, and statutory interpretation. Case studies examine liability for offences under the Offences Against the Person Act 1861, self-defence as a legal justification, and the implications of jury decisions. Analytical tasks include assessing sentencing powers and the role of precedent in justice. Keywords: criminal law, omissions, causation, self-defence, statutory interpretation, jury role, sentencing.