Background
On April 16, 2020, Gregory Painter and his father James became engaged in an argument over text messages that James found inappropriate. Painter had been drinking and had a history of mental illness. During the escalating argument, Painter produced a handgun and shot James in the face seven times, killing him. Immediately after the shooting, Painter told his mother, “Don’t worry, Mom. It’s going to be okay,” then picked up shell casings and concealed the handgun before police arrived. When arrested, he was calm and compliant.
Painter was indicted in November 2020 on charges of malice murder, felony murder, aggravated assault, and possession of a firearm during commission of a felony. He filed a pre-trial notice of intent to raise an insanity defense, alleging either that he lacked mental capacity to distinguish right from wrong or that he acted under delusional compulsion. The trial court ordered a mental evaluation, which Painter refused to undergo. At trial in November 2024, Painter was convicted on all counts and sentenced to life without parole for the murder conviction.
On appeal, Painter raised a single argument: that the trial court erred by refusing to instruct the jury on his insanity defense, which he characterized as his sole defense to the crimes charged.
The Court’s Holding
The Georgia Supreme Court affirmed the conviction, holding that the trial court did not err in refusing to give jury instructions on either form of the insanity defense because there was not even slight evidence to support such instructions. Under Georgia law, a defendant requesting a jury instruction must present evidence that slightly supports it; the court reviews this question de novo.
Regarding the mental capacity defense, which requires showing a defendant lacked capacity to distinguish right from wrong, the court emphasized that evidence of mental illness alone is insufficient. Mental abnormality does not constitute legal insanity. Painter relied chiefly on his post-shooting statement to his mother, arguing it was “anything but normal” and suggested he may not have known his behavior was wrongful. The court rejected this reasoning, noting the statement was forward-looking and intended to reassure his mother, and more importantly, Painter’s subsequent conduct—picking up shell casings and concealing the handgun—demonstrated his ability to appreciate the wrongfulness of his act.
As to the delusional compulsion defense, which requires proof that (1) the defendant acted under a delusional compulsion, (2) the act was connected to the delusion, and (3) the delusion related to a fact that would have justified the act, the court found no evidence. Handwritten notes in Painter’s room referenced his father attacking a child with pliers, but there was no evidence Painter actually suffered from this delusion at the time of the shooting. Furthermore, even if he did harbor such a belief, it would not justify killing his father for a past wrong. The court rejected Painter’s reliance on Brown v. State (1971), clarifying that the mere fact a murder is “senseless and abnormal” does not warrant a delusional compulsion instruction.
Key Takeaways
- Mental illness and legal insanity are distinct; a defendant’s medical diagnosis of mental illness does not entitle him to an insanity jury instruction without evidence meeting the statutory definition of legal insanity.
- A defendant invoking the mental capacity defense must present evidence showing inability to distinguish right from wrong at the time of the crime—not merely that he appeared mentally ill or acted abnormally.
- For a delusional compulsion defense, the defendant must show the delusion was connected to the crime and that, if the delusion were true, it would have justified the act; a past wrong does not justify present homicide.
- A defendant’s post-crime conduct—such as concealing evidence and acting calmly—can undermine claims that he lacked capacity to appreciate wrongfulness.
Why It Matters
This decision reinforces important distinctions in Georgia criminal law and establishes clear guardrails on when trial courts must instruct juries on insanity defenses. By holding that mental illness alone cannot support an insanity instruction, the court prevented defendants from using psychiatric evidence as a backdoor to jury instructions that might blur legal standards. The opinion makes clear that legal insanity requires specific proof of inability to distinguish right from wrong (or delusional compulsion meeting strict statutory criteria), not merely evidence of mental abnormality or disturbing conduct.
The decision also signals that courts should scrutinize post-crime behavior as evidence of a defendant’s mental state and capacity at the moment of the crime. Painter’s calm demeanor after the shooting and his apparent effort to conceal evidence weighed against his insanity claims. For defendants and their counsel, the opinion underscores the high evidentiary bar required to trigger insanity instructions and the critical importance of presenting expert psychiatric testimony that directly addresses the statutory elements—a step Painter failed to take by refusing the court-ordered mental evaluation.