Until 2007, the California Penal Code Section 26 stated that "Idiots" were one of six types of people who are not capable of committing crimes.

idiot

an utterly foolish or senseless person.

Psychology. a person of the lowest order in a former classification of mental retardation, having a mental age of less than three years old and an intelligence quotient under 25.

Dictionary.com Unabridged (v 1.1)

How Idiotic Are You? - Test Yourself