THE INSANITY DEFENCE: BALANCING JUSTICE AND MENTAL HEALTH

AUTHOR-SOMOSHRI BANERJEE, LLM SCHOLAR AT JOGESH CHANDRA CHAUDHURI LAW COLLEGE

BEST CITATION – SOMOSHRI BANERJEE, THE INSANITY DEFENCE: BALANCING JUSTICE AND MENTAL HEALTH, ILE JUDICIAL AND LEGAL REVIEW, 1 (1) OF 2023, PG. 01-07, APIS – 3920-0027 | ISSN – 2583 – 8040.

ABSTRACT

“Insanity is relative. It depends on who has who locked in what cage.”

― Ray Bradbury

Abstract:- The insanity defense is a legal principle that allows defendants to claim they were not criminally responsible for their actions due to a severe mental illness at the time of the offense. Rooted in the fundamental notion that criminal liability requires intent (mens rea), the insanity defense acknowledges that individuals suffering from severe psychiatric disorders may lack the capacity to understand the nature of their actions or distinguish right from wrong.

One of the most influential legal standards for insanity is the M’Naghten Rule (1843), which establishes that a defendant must be incapable of understanding the nature of the act or knowing it was wrong due to a mental disorder. Other legal tests, such as the Irresistible Impulse Test, the Durham Rule, and the Model Penal Code Test, expand on this by considering volitional impairment and broader psychological dysfunctions.

Despite its long history, the insanity defense remains controversial. Critics argue that it is frequently misused, leads to lenient sentences, or allows dangerous individuals to escape justice. However, statistics indicate that the defense is rarely invoked and even less frequently successful. In jurisdictions that recognize it, defendants found not guilty by reason of insanity (NGRI) are often committed to psychiatric institutions rather than released outright.

The application and success of the insanity defense vary across legal systems. Some countries impose strict legal tests, while others have abolished it entirely in favor of alternative mental health defenses. As neuroscience and psychiatry advance, courts face ongoing challenges in balancing legal responsibility, public safety, and the rights of mentally ill defendants. This paper examines the historical development, legal standards, challenges, and implications of the insanity defense, offering insights into its role in modern criminal law.