quality:corruption
Diminished capacity

Diminished capacity is a defense that may negate the mental state of "malice". If a jurisdiction recognizes that a person can kill without justification but also without any evil intent, for example due to a mental defect or mental illness, that jurisdiction may define the person's crime as something less than murder. This partial defense is only available in some U.S. jurisdictions and not others; whereas the complete defense of insanity is available throughout the U.S. but is rarely used because it is more difficult to prove.