What are the criticisms of the insanity defense?

Asked by: August Senger  |  Last update: January 9, 2026
Score: 4.7/5 (17 votes)

Arguments against the moral basis of the defense tend to confuse causation with excuse or moral and legal concepts with medical concepts. Other arguments against the defense, such as that it produces wrong verdicts or that assessment of past mental state is too difficult, also fail to convince.

Which of the following is a common criticism of the insanity defense?

The most common criticism of the insanity defense is that it allows: dangerous criminals to escape punishment. A verdict stating that defendants are guilty of committing a crime but are also suffering from a mental illness that should be treated during their imprisonment.

What are the pros and cons of the insanity defense?

Societal And Legal Pros & Cons Of The Insanity Defense
  • History of the insanity defense. The insanity defense in criminal cases goes back to the mid-19th century in Great Britain. ...
  • Pro: It creates a middle ground. ...
  • Con: The plea can be abused. ...
  • Pro: It establishes guilt. ...
  • Con: The jury may be pushed beyond its competence.

What is the most controversial defense of justification is insanity?

Insanity defense is the single most controversial legal doctrine relating to the mentally ill. All the formulations of the insanity defense require that the impairment claimed in mental functioning being a result of mental disease or defect. Defect is usually understood to refer to mental retardation.

What is the controversy surrounding the insanity plea?

Arguments against the insanity defense are then presented, including the early release of dangerous persons from psychiatric facilities, a jury's inability to judge between conflicting psychiatric testimony about a defendant's mental state at the time of the offense at issue, the subjectivity of psychiatric opinion, ...

Does a Personality Disorder Qualify for Insanity Defense? | Nicole Nachtman Case Analysis

18 related questions found

What are the criticism of the insanity defense?

One major drawback of the insanity defense is the possibility of defendants feigning or exaggerating mental illness to avoid criminal responsibility. This can strain the credibility of the defense and undermine the justice system.

Why should the insanity defense be abolished?

Abolition of the insanity defense has the advantages of affording greater protection to society, fairer treatment to mentally ill persons, and increased effectiveness in the administration of justice.

Why is the insanity defense so hard to prove?

The insanity defense looks to the defendant's mental state at the time the crime was committed, not at the time of the trial. The bar for this defense is very difficult to meet, as many conditions must be met to put on a successful insanity defense. The defense has the burden of proving insanity.

What four states do not recognize the insanity defense?

Four states (Kansas, Montana, Idaho, and Utah) explicitly don't allow for the insanity defense. In other states, the requirements of the law for proving this defense vary widely.

What is the ultimate issue in an insanity case?

The "ultimate issue" in an insanity case refers to the final determination or conclusion that needs to be made by the jury or judge. This typically involves deciding whether the defendant was legally insane at the time of the alleged crime.

What is the burden of proof for the insanity defense?

A defendant may constitutionally be required to prove his/her insanity by a standard as high as beyond a reasonable doubt. Id. at 799. It therefore follows that placing the burden on the defendant to prove the defense of insanity by clear and convincing evidence is constitutional.

Can insanity defense be eliminated?

The Supreme Court held today in Kahler v. Kansas that the Constitution does not require states to use a definition of the insanity defense that “compels the acquittal of any defendant who, because of mental illness, could not tell right from wrong when committing his crime.”

Why the insanity plea is good?

insanity defense also protects the mentally ill, who may not fully understand the nature of their crime, from being forced into a prison system where they will not receive proper treatment.

What are the criticisms of the M Naghten rule?

A major criticism of this M'Naghten Rule is its emphasis on cognitive factors (the effect on knowledge), rather than emotional and volitional factors (the effect on the ability to control conduct) which leads to it being limited in its scope.

What is a legal test that holds people to be insane?

The M'Naghten rule was the standard test for insanity in both the United States and the United Kingdom. While it remains the test in about half of the states, other states have instead implemented different tests, such as the irresistible impulse test, the Durham Test, or the Model Penal Code test.

What almost always happens to a defendant who is found not guilty by reason of insanity?

An insanity defense means that a defendant is not guilty of the crime because they didn't have the mental capacity required to commit a crime. If you are found not guilty by reason of insanity you could still be committed to a psychiatric institution.

What are the problems with the insanity defense?

Arguments against the moral basis of the defense tend to confuse causation with excuse or moral and legal concepts with medical concepts. Other arguments against the defense, such as that it produces wrong verdicts or that assessment of past mental state is too difficult, also fail to convince.

How often is the insanity defense successful?

The Insanity Defense in Practice

In felony cases, the defense is invoked less than 1% of the time, and even when it is employed, it is only successful 25% of the time.

Does eliminating the insanity defense violate the Constitution?

In Kahler v. Kansas, the U.S. Supreme Court recently held that this restrictive approach does not violate due process and that a state is not required to adopt an insanity test which considers a defendant's moral capacity at the time of the crime.

What is a commonly cited criticism of the insanity defense?

Question: What is a commonly cited criticism of the insanity defense? Clinicians disagree over the definition of legal insanity. People have free will and thus can resist the urge to commit violence. Dangerous criminals use it to escape punishment. The jury has to weigh the claims of opposing experts.

What happens if someone is found not guilty by reason of insanity?

If a person is found not guilty only by reason of insanity at the time of the offense charged, he shall be committed to a suitable facility until such time as he is eligible for release pursuant to subsection (e).

What must a defendant prove to establish the insanity defense?

Substantial Capacity Test: Defendants must demonstrate that, due to a mental disease or defect, they lacked the substantial capacity to appreciate the criminality of their conduct or conform their conduct to the requirements of the law at the time of the offense.

What are the ethical issues with the insanity defense?

First, the present dissatisfaction with the insanity defense is largely rooted in public concern about the premature release of dangerous persons acquitted by reason of insanity. Increased danger to the public, however, is not a necessary consequence of the insanity defense.

What is the guilty but insane verdict?

The guilty but mentally ill (GBMI) verdict is premised on the notion that when a defendant raises a claim of insanity, the jury should be permitted to return a verdict that falls between the total inculpation of a guilty verdict and the complete exoneration of a not guilty by reason of insanity verdict.

Should mental illness be a legal defence?

An insanity defense is appropriate when a defendant is charged with a serious crime but morally should not be held criminally responsible because mental illness impaired his judgment and control. “Insane” defendants lack criminal intent; their behavior is driven by mental illness.