capacity, the "property and [financial] affairs" of the person, or both. Questions as to whether an individual has the capacity to make decisions either generally or with regard to a particular matter or class of matters are generally resolved by a judicial declaration and the court making the declaration may appoint one or more individuals to act as deputies for the person lacking capacity. This sort of problem sometimes arises when people suffer some form of medical problem such as unconsciousness, coma, extensive paralysis, or delirious states, from accidents or illnesses such as strokes, or often when older people become afflicted with some form of medical/mental disability such as Huntington's disease, Alzheimer's disease, Lewy body disease, or similar dementia. Such persons are often unable to consent to medical treatment but otherwise handle their financial and other personal matters. If the afflicted person has prepared documents beforehand about what to do in such cases, often in a revocable living trust or related documents, then the named legal guardian may be able to take over their financial and other affairs. If the afflicted person owns their property jointly with a spouse or other able person, the able person may be able to take over many of the routine financial affairs. Otherwise, it is often necessary to petition a court, such as a probate court, that the afflicted person lacks legal capacity and allow a legal guardian to take over their financial and personal affairs. Procedures and court review have been established, dependent on the area of jurisdiction, to prevent exploitation of the incapacitated person by the guardian. The guardian periodically provides a financial accounting for court review. In the Criminal Law, the traditional common law M'Naghten Rules excused all persons from liability if they did not understand what they were doing or if they did, that they did not know it was wrong. The consequences of this excuse were that those accused were detained indefinitely or until the medical authorities certified that it was safe to release them back into the community. This consequence was felt to be too draconian, and so statutes have introduced new defenses that will limit or reduce the liability of those accused of committing offenses if they were suffering from a mental illness at the relevant time (see the insanity and mental disorder defenses). Intoxication Although individuals may have consumed a sufficient quantity of intoxicant or drug