The document discusses various defences that can be used in criminal cases, including denial of the crime, justifications, mental states, mental disorders, intoxication, self-defence, necessity, compulsion/duress, provocation, and battered woman's syndrome. It provides details on the legal requirements and tests for each defence. Key points include that mental disorder can be used as a defence if the accused was unable to appreciate the nature of their actions or know they were wrong. Intoxication is generally not a defence but may be in cases of specific intent or extreme intoxication. Self-defence must use reasonable force, while defence of property allows greater force. Battered woman's syndrome provides context for why an abused