Competency to stand trial and the standard applied, the evaluation and who conducts it, restoration and the limit on how long it may take, the insanity defense and where the burden sits, diminished capacity and the offenses it can reach, involuntary medication, commitment after an acquittal, and problem-solving courts.
Federal Rule of Criminal Procedure 12.2 bars use against the defendant of any statement made during a court-ordered mental examination, of expert testimony based on that statement, and of other fruits of it, except on an issue of mental condition the defense has itself raised. A competency finding is separately inadmissible at trial. A warning is constitutionally required before an examination whose results will be used at sentencing.
Federal law commits a person found not guilty only by reason of insanity to a suitable facility and requires a hearing within forty days. The acquittee bears the burden of showing that release would not create a substantial risk, by clear and convincing evidence where the offense involved bodily injury or serious property damage and by a preponderance otherwise. States cap the commitment differently and provide for extension on a dangerousness finding.
Federal law permits commitment for examination for a reasonable period not exceeding thirty days, extendable by fifteen, and requires the report to state the history and present symptoms, the tests used, the findings and the examiner's opinion on the statutory question. States differ on the number of examiners, their qualifications and where the examination occurs, and New York designates two with a third if they disagree.
The federal formulation is an affirmative defense that the defendant must establish by clear and convincing evidence, limited to appreciation and excluding volitional impairment. State tests range from a purely cognitive inquiry to a substantial capacity formulation that includes the ability to conform conduct. Several states have abolished the defense and admit mental condition evidence only to negate the required mental state.
A court may order antipsychotic medication over a defendant's objection to restore trial competence only where important governmental interests are at stake, the medication is substantially likely to restore competence without significantly impairing the defense, it is necessary because less intrusive means will not work, and it is medically appropriate. Medication on dangerousness grounds is governed by a separate administrative process.
Evidence of a mental condition offered to show that the defendant did not form a required mental state operates as a failure of proof rather than as an excuse. It reaches offenses requiring premeditation, purpose, knowledge or a specific intent, and does nothing against general intent or strict liability offenses. Federal practice requires notice, and an expert may not state an opinion on whether the mental state existed.
Trial competency is measured at the present moment and turns on functional capacity rather than diagnosis. The federal statute frames it as an inability, caused by mental disease or defect, to understand the nature and consequences of the proceedings or to assist properly in the defense. Competence is presumed, the finding is made by a preponderance, and a state may not demand that a defendant prove incompetence by clear and convincing evidence.
Federal law commits an incompetent defendant to the custody of the Attorney General for hospitalization for a reasonable period not exceeding four months to determine whether competence is likely to be attained, then for an additional reasonable period if there is a substantial probability. Ohio caps restoration by offense level, from thirty days to three years. Constitutional doctrine limits any commitment to the period reasonably needed to answer the restorability question.
Federal law authorizes counsel to obtain expert services on an ex parte showing that the services are necessary and the defendant cannot afford them, subject to compensation caps that can be exceeded with certification. Due process separately requires meaningful access to a mental health expert where the defendant's mental condition is a significant factor. A defense examination stays confidential until the expert is designated to testify.
The capacity standard for pleading guilty and for waiving the right to counsel is the same standard that governs standing trial. A separate inquiry asks whether the particular waiver was knowing, intelligent and voluntary, and that inquiry can fail even where capacity is established. A later decision permits, but does not require, a higher standard before a defendant may conduct trial proceedings without a lawyer.
Federal law permits the defendant or the government to move for a competency hearing at any time after prosecution begins and before sentencing, and requires the court to order a hearing on its own motion where there is reasonable cause. A trial court that ignores evidence raising a bona fide doubt commits constitutional error. California suspends all criminal proceedings once the inquiry begins, and the resulting delay is excludable under the Speedy Trial Act.
