(Blog written three years ago.  Eddie Ray Routh was found guilty and sentence to life without parole.)

In a matter of days, we will know the fate of Eddie Ray Routh who is on trial for the murder of Chris Kyle, an American war hero, and his friend, Chad Littlefield. The twelve jury members of Erath County located in Central Texas, will decide one of four verdicts:  not guilty, guilty, guilty but mentally ill, not guilty by reason of insanity.  While Routh admits to having killed Kyle and Littlefield, the defense attorney claims that Routh was insane at the time he committed the crime, and should be found not guilty by reason of insanity.

Less than one percent of defendants in criminal cases plead insanity, and only one-fourth of them are successful. The majority of those acquitted by reason of insanity are schizophrenic or suffer from bipolar disorder. The insanity…