Definitions

temporary insanity

Insanity defense

In criminal trials, the insanity defenses are possible defenses by excuse, an affirmative defense by which defendants argue that they should not be held criminally liable for breaking the law, as they were legally insane at the time of the commission of alleged crimes. A defendant attempting such a defense will often be required to first undergo a mental examination. It is important to note that the legal definition of "insane" in this context is quite different from psychiatric definitions of "mentally ill", also that the definition of insanity varies between jurisdictions.

When the insanity defense is successful, the defendant may be committed to hospital.

In the United Kingdom and the United States, use of the defense is rare and it is more common to rely upon a state of temporary mental impairment.

In the United States a state of temporary mental impairment is not a defense. It falls under the category of a mitigating factor referred to as "diminished capacity". A mitigating factor (which can include conditions not eligible for the insanity defense such as intoxication) can be used to attempt a reduction of the charges to a lesser offense or in a reduced sentence.

The insanity defense is available in most jurisdictions that respect human rights and have a rule of law, though the extent to which it can be applied may differ widely between jurisdictions.

The insanity defense is based on evaluations by forensic professionals that the defendant was incapable of distinguishing between right and wrong at the time the offense was committed. In addition, some jurisdictions require that the evaluation address the issue of whether the defendant was able to control his behavior at the time of the offense. A defendant making the insanity argument might be said to be pleading "not guilty by reason of insanity" (NGRI). A successful NGRI defense can result in an indeterminate commitment to a psychiatric facility.

Diminished responsibility (or diminished capacity) can be employed as a mitigating factor and is applicable to more circumstances than the insanity defense in the United States. For example, some jurisdictions accept inebriation or other drug intoxication as a mitigating factor, whereas intoxication alone is not accepted as an insanity defense. If diminished responsibility (or capacity) is presented convincingly, the charges may be reduced to a lesser offense or the sentence may be more lenient.

Mitigating factor

The United States Supreme Court in Penry v. Lynaugh and the United States Court of Appeals for the Fifth Circuit in Bigby v. Dretke have been clear in their decisions that jury instructions in death penalty cases that do not ask about mitigating factors regarding the defendant's mental health violate the defendant's Eighth Amendment rights, saying that the jury is to be instructed to consider mitigating factors when answering unrelated questions. This ruling suggests specific explanations to jury is necessary to weigh mitigating factors.

Withdrawal of successful insanity defense

Although several cases have ruled that persons found not guilty by reason of insanity may not withdraw their successful insanity defense in an habeas petition in order to pursue an alternative, other rulings have allowed it. In State v. Connelly, for example, the petitioner who had originally been found not guilty by reason of insanity and committed for ten years to the jurisdiction of a Psychiatric Security Review Board filed a pro se writ of habeas corpus and the court vacated his insanity acquittal. He was granted a new trial and found guilty of the original charges, receiving a prison sentence of 40 years.

Refusal of insanity defense

In the landmark case of Frendak v. United States, the court ruled that the insanity defense cannot be imposed upon an unwilling defendant if an intelligent defendant voluntarily wishes to forgo the defense.

Psychiatric treatments

Those found to have been not guilty by reason of insanity are generally then required to undergo psychiatric treatment, except in the case of temporary insanity (see below). Defendants found not guilty by reason of insanity are generally placed in a mental institution. Unlike defendants who are found guilty of a crime, they are not institutionalized for a fixed period, but rather held in the institution until they are determined not to be a threat. Authorities making this decision tend to be cautious and as a result, defendants can often be incarcerated for longer than they would have been in prison. In Foucha v. Louisiana (1992) the Supreme Court of the United States ruled that a person could not be held "indefinitely".

So far, in the United States, those acquitted of a federal offense by reason of insanity have not been able to challenge their psychiatric confinement through a writ of habeas corpus or other remedies. In Archuleta v. Hedrick, 365 F.3d 644 (8th Cir. 2004), the U.S. Court of Appeals for the Eighth Circuit the court ruled persons found not guilty by reason of insanity and later want to challenge their confinement may not attack their initial successful insanity defense:

Incompetency and Mental Illness

An important distinction to be made is the difference between competency and criminal responsibility.

  • The issue of competency is whether a defendant is able to adequately assist his attorney in preparing a defense, make informed decisions about trial strategy and whether or not to plead guilty or accept a plea agreement. This issue is dealt with in UK law as "fitness to plead".
  • Criminal responsibility, however, deals with whether a defendant can be held legally responsible for his criminal behavior.

Competency largely deals with the defendant's present condition, while criminal responsibility addresses the condition at the time the crime was committed.

In the United States, a trial in which the insanity defense is invoked typically involves the testimony of psychiatrists or psychologists who will present opinions on the defendants state of mind at the time of the offense. Mental health practitioners are restrained from making a judgment on the issue of whether the defendant is or is not insane or what is known as the "ultimate issue".

Insanity is a legal concept, not a psychiatric concept of mental illness. Whether a person has a diagnosed mental disorder is not sufficient reason, from the court's point of view, to relieve them from all responsibility for illegal acts they may commit. A person may have a mental disorder and be a competent person in many other ways, able to write checks, handle his personal affairs, hold a job and carry on a variety of behaviors despite the mental disorder. Likewise, a person may commit a criminal act, independent of the fact that he has a mental disorder. Depending on the jurisdiction, other elements need to be proven, for the court to accept that the mental disorder was responsible for the criminal act, that is, it must be shown that the defendant committed the crime because of the mental disorder. For example, the mental disorder interfered with his ability to determine right from wrong at the time the offense was committed.

It would unduly stigmatize a person with a diagnosed mental illness to say that because of the mental illness he is not responsible for his behavior. Therefore, persons whose mental disorder is not in dispute will be determined sane as the court will decide that despite a "mental illness" the defendant was responsible for the acts he committed and he will be treated in court as a normal defendant. If the person has a mental illness and it is determined that the mental illness interfered with the person's ability to determine right from wrong, and other associated criteria a jurisdiction may have, and if the person is willing to plead guilty or is proven guilty in a court of law, some jurisdiction have an alternative option known as either a Guilty but Mentally Ill (GBMI) or a Guilty but Insane verdict. The GBMI verdict is available as an alternative to, rather than in lieu of, a "not guilty by reason of insanity" verdict.

Michigan (1975) was the first state to create a GBMI verdict. Sometimes a person without mental illness can be found to be insane; for example, a person who is acting under the influence of a drug that was involuntarily administered (though voluntary intoxication has been rejected by most jurisdictions as a defense to crime). (See: Intoxication defense)

History of the insanity defense

The concept of defense by insanity has existed since ancient Greece and Rome. However, in colonial America a delusional Dorothy Talbye was hanged in 1638 for murdering her daughter, as at the time Massachusetts's common law made no distinction between insanity (or mental illness) and criminal behavior. Edward II, under English Common law, declared that a person was insane if their mental capacity was no more than that of a "Wild Beast". The first complete transcript of an insanity trial dates to 1724. The fate of insane defendants was uncertain in the United Kingdom until the Criminal Lunatics Act 1800, following the acquittal of James Hadfield, provided for their indefinite detention. The insanity plea was codified in English law with the M'Naghten Rules of 1843, which were formulated as a result of the attempted assassination of British Prime Minister Robert Peel. The rules define the defense as "at the time of the commission of the acts constituting the offense, the defendant as a result of a severe mental disease or defect, was unable to appreciate the nature and quality of the wrongfulness of his acts." The key is that the defendant could not appreciate the nature of his actions during the commission of the crime.

In Ford v. Wainwright 477 U.S. 399 (1986), the US Supreme Court upheld the common law rule that the insane cannot be executed. It further stated that a person under the death penalty is entitled to a competency evaluation and to an evidentiary hearing in court on the question of his competency to be executed. In Wainwright v. Greenfield, the Court ruled that it was fundamentally unfair for the prosecutor to comment during the court proceedings on the petitioner's silence invoked as a result of a Miranda warning. The prosecutor had argued that the respondent's silence after receiving Miranda warnings was evidence of his sanity.

Controversy over the insanity defense

There are many different interpretations of "insane" and many different notions of how to deal with insane individuals.

Some opponents of the insanity defense, including Thomas Szasz, believe that psychiatry itself emerged as a way to justify mercy, of making persons "exceptional" and thus not deserving of the harsh punishment we would as a society wish to dole out to people who had extremely selfish or widely shared rationales for their actions. Since extreme selfishness ("self-absorption") or broadly shared resentments (e.g. envy of the rich, hatred of another ethnic group) are somewhat infectious behaviors, some argue that schizophrenia and other "mental illness" were defined into existence to protect those whose motives and behaviors were not so infectious, and whose offenses were thus unlikely to be repeated by others. The cost of this system of mercy, however, was to classify the psychiatrist and patient in an ongoing unequal-power relationship (See anti-psychiatry).

In ancient Rome, Latin tribes held various religious beliefs that included considering the insane to be divinely blessed, and therefore beyond the reach of human jurisdiction. It is alleged that insanity as an excuse was introduced in the ancient Roman legal system based upon this tradition. Some modern critics claim that this precedent precludes the insanity defense's validity in a modern secular state like the United States.

The public tends to believe that the insanity defense is used more often than it actually is, possibly because insanity defense cases tend to be of a high-profile nature. The insanity plea is used in the U.S Criminal Justice System in less than 1% of all criminal cases. Much information is unknown about the criminal justice system and the mentally ill:

Some U.S. states have begun to ban the use of the insanity defense and a 1994 Supreme Court ruling upheld the right of Montana to do so. Idaho and Utah have also banned the defense. In 2006, the Supreme Court decided Clark v. Arizona upheld Arizona's use of the insanity defense.

Rules of appreciation

In this section, various rules applied in United States jurisdiction with respect to insanity defenses are discussed.

US Model Penal Code Rule

This is a hybrid of the M'Naghten Rules and the irresistible impulse test. It states that a person suffering form a mental disease or defect is not responsible for his actions if he lacked the substantial capacity to (i) appreciate the criminality of his conduct, or (ii) conform his conduct to the law. The combination of the rule acts as to emcompass acquittal if proof shows that as a result of a mental defect he either lacked substantial capacity to appreciate the criminality of his actions or conform his conduct to the requirements of law. This discusses both the cognitive and volitional capacity of insanity.

The M'Naghten Rules

The M'Naghten Rules (1843) 10 C & F 200, state, inter alia, that a person may be "insane" if "...at the time of the committing of the act, the party accused was laboring under such a defect of reason, arising from a disease of the mind, as not to know the nature and quality of the act he was doing, or, if he did know it, that he did not know what he was doing was wrong." During the mid- 20th century the M'Naghten Rules were gradually adapted in most jurisdictions in the United States by other tests listed below. Following the attempted assassination of another prominent political figure (president Ronald Reagan), however, the M'Naghten Rules underwent a major revival such that they apply in the majority of states.

Irresistible Impulse

There is also an idea of irresistible impulse, which argues that a person may have known an act was illegal but due to mental impairment lost control of their actions. This is a more liberal test than that set by the M'Naghten Rules because it applies to defendants who are fully aware of their actions. The defense was first approved in the U.S. in Ohio in 1834 and emphasized the inability to control one's actions. Since then it has been adopted by other States, but is open to criticism since there is no way to identify impulses which could be resisted or controlled, and each case must therefore turn upon its own facts. In 1994, Lorena Bobbitt was found not guilty of the felony of malicious wounding when it was argued that an irresistible impulse led her to cut off her husband's penis. The principle has not been applied in the U.K.

The Durham rule

The Durham rule or "product test" was set forth by the United States Court of Appeals for the District of Columbia Circuit in 1954 and states that "... an accused is not criminally responsible if his unlawful act was the product of mental disease or defect". After the 1970s, US jurisdictions have tended not to recognize this argument as it places emphasis on "mental disease or defect" and thus on testimony by psychiatrists and is argued to be somewhat ambiguous.

The Brawner rule

The Brawner Rule, from the case of United States v. Brawner, 471 F.2d 969 (1972) by the United States Court of Appeals for the District of Columbia Circuit, set aside the Durham ruling arguing the ruling’s requirement that a crime must be a “product of mental disease or defect” placed the question of guilt on expert witnesses and diminished the jury’s role in determining guilt. Under this proposal, juries are allowed to decide the "insanity question" as they see fit. Basing its ruling on the American Law Institute’s (ALI) Model Penal Code, the court ruled that for a defendant not to be criminally guilty for a crime the defendant, “(i) lacks substantial capacity to appreciate that his conduct is wrongful, or (ii) lacks substantial capacity to conform his conduct to the law.”

It is noteworthy that this case was (1) decided by the U.S. Court of Appeals for the District of Columbia circuit and not the United States Supreme Court, and is thus not a national precedent, and (2) not based on constitutional arguments and was thus superseded by Congress in 1984 with the Insanity Defense Reform Act of 1984.

The Insanity Defense Reform Act of 1984 (U.S.)

There was widespread public outcry over John Hinckley Jr.'s successful use of the insanity defense in his trial for the attempted assassination of Ronald Reagan. The Insanity Defense Reform Act of 1984, enacted by Congress in 1984 in response to the verdict in the Hinckley trial, and codified at Title 18, U.S. Code, Section 17, states that a person accused of a crime can be judged not guilty by reason of insanity if "the defendant, as a result of a severe mental disease or defect, was unable to appreciate the nature and quality or the wrongfulness of his acts."

The Insanity Defense Reform Act mirrors the M'Naughten rules except that it requires the defendant suffer from severe mental defect, and places the burden on the defendant to prove by clear and convincing evidence (higher than the preponderance of the evidence standard required of the defendant by most states following the M'Naughten Rules).

The substantial capacity test

The substantial capacity test was defined by the American Law Institute, in its Model Penal Code. This argues that insanity should be defined as a lack of substantial capacity to control one's behavior. Substantial capacity is defined as: "the mental capacity needed to understand the wrongfulness of [an] act, or to conform...behavior to the...law." This is related to the M'Naghten Rule and the idea of 'irresistible impulse'.

Temporary insanity

The notion of temporary insanity argues that a defendant was insane, but is now sane. A defendant found to have been temporarily insane will often be released without any requirements of psychiatric treatment. This defense was first used by U.S. Congressman Daniel Sickles of New York in 1859 after he had killed his wife's lover, Philip Barton Key, but was most used during the 1940s and 1950s. Another case around that time was that of Charles J. Guiteau.

Scottish law

The Scottish Law Commission in its Discussion Paper No 122 on Insanity and Diminished Responsibility (2003) pp.16/18 confirms that the law has not substantially changed from the position stated in Hume's Commentaries:
We may next attend to the case of those unfortunate persons, who have plead the miserable defense of idiocy or insanity. Which condition, if it is not an assumed or imperfect, but a genuine and thorough insanity, and is proved by the testimony of intelligent witnesses, makes the act like that of an infant, and equally bestows the privilege of an entire exemption from any manner of pain; Cum alterum innocentia concilii tuetur, alterum fati infelicitas excusat. I say, where the insanity is absolute, and is duly proved: For if reason and humanity enforce the plea in these circumstances, it is no less necessary to observe a caution and reserve in applying the law, as shall hinder it from being understood, that there is any privilege in a case of mere weakness of intellect, or a strange and moody humor, or a crazy and capricious or irritable temper. In none of these situations does or can the law excuse the offender. Because such constitutions are not exclusive of a competent understanding of the true state of the circumstances in which the deed is done, nor of the subsistence of some steady and evil passion, grounded in those circumstances, and directed to a certain object. To serve the purpose of a defense in law, the disorder must therefore amount to an absolute alienation of reason, ut continua mentis alienatione, omni intellectu careat - such a disease as deprives the patient of the knowledge of the true aspect and position of things about him - hinders him from distinguishing friend from foe - and gives him up to the impulse of his own distempered fancy.
The phrase "absolute alienation of reason" is still regarded as at the core of the defense in the modern law (see HM Advocate v Kidd 1960 JC 61 and Brennan v HM Advocate (1977) JC 38).

Usage and success rate

Media coverage in the United States tends to dictate how situations are perceived by the public. A case using the insanity defense usually receives a lot more media attention because it is considered unusual or dramatic. This increased coverage gives the impression that the defense is widely used but this is not the case. According to an eight-state study the insanity defense is used in less than 1% of all court cases and is only successful in 26% of cases. Of those cases that were successful, 90% of defendants had been previously diagnosed with mental illness. The early-2000s cases of Lee Boyd Malvo and Andrea Yates are examples of high-profile use of the insanity defense; both are characterised by their dramatic circumstances.

See also

Footnotes

References

  • Dalby, J. T. (2006). "The case of Daniel McNaughton: Let's get the story straight". American Journal of Forensic Psychiatry 27 17–32. .
  • Walker, N. (1968). Crime and Insanity in England:The Historical Perspective. vol.1, Edinburgh University Press. ISBN 0-85224-017-1., pp15–16.
  • - (1985). "The Insanity Defense before 1800". The Annals of the American Academy of Political and Social Science 477 25. at p.30
  • *

    Further reading

  • Boland, F. (1996). "Insanity, the Irish Constitution and the European Convention on Human Rights". 47 Northern Ireland Legal Quarterly 260.
  • Brown, M. (2007). " The John Hinckley Trial & Its Effect on the Insanity Defense".
  • Bucknill, J. C. (1881). "The Late Lord Chief Justice of England on Lunacy". Brain 4 1–26.
  • Butler Committee. (1975). The Butler Committee on Mentally Abnormal Offenders, London: HMSO, Cmnd 6244
  • Ellis, J. W. (1986). "The Consequences of the Insanity Defense: Proposals to reform post-acquittal commitment laws". 35 Catholic University Law Review 961.
  • Gostin, L. (1982). "Human Rights, Judicial Review and the Mentally Disordered Offender". (1982) Crim. LR 779.
  • The Law Reform Commission of Western Australia. The Criminal Process and Persons Suffering from Mental Disorder, Project No. 69, August 1991.

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