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Imperfect Insanity And Diminished Responsibility, E. Lea Johnston

UF Law Faculty Publications

Insanity’s status as an all-or-nothing excuse results in the disproportionate punishment of individuals whose mental disorders significantly impaired, but did not obliterate, their capacities for criminal responsibility. Prohibiting the trier of fact from considering impairment that does not meet the narrow definition of insanity contradicts commonly held intuitions about mental abnormality and gradations of responsibility. It results in systemic over-punishment, juror frustration, and, at times, arbitrary verdicts as triers of fact attempt to better apportion liability to blameworthiness.

This Article proposes a generic partial excuse: Diminished Responsibility from Mental Disability. This excuse could be asserted as an affirmative defense at …