Kahler V Kansas 2025 Ruling. James kahler (defendant) was convicted of capital murder in kansas after killing four family members. Under kansas law, a jury cannot consider mental disease or defect as a defense to a crime except insofar as it shows “that the defendant lacked the mental state required as an element.
He challenged the state’s insanity defense, which did not allow for. Under kansas law, a jury cannot consider mental disease or defect as a defense to a crime except insofar as it shows “that the defendant lacked the mental state required as an element.