State v. Guilliot

Edmund Guilliot sought to present a diminished capacity defense against a first degree premeditated murder charge for killing his fiancée. He claimed that he had a personality disorder that interfered with his ability to self-medicate his diabetes, which in turn led to hypoglycemia, which in turn caused mental impairment. After ruling that Guilliot had not laid an adequate foundation, the trial court excluded evidence of Guilliot’s personality disorder and his expert’s opinion on Guilliot’s ability to form the intent to kill and to premeditate. Guilliot challenges these rulings along with the…