by Mark D. Lerner, Ph.D.
Creator & Principal Consultant, AI-Integrated Emotional Wellness
An attempt to leverage the insanity defense for Luigi Mangione will likely prove ineffective. A critical component of the insanity defense is proving that the defendant, at the time of the crime, was unable to distinguish right from wrong or comprehend the nature and quality of their actions due to a severe mental defect or illness.
In Mangione’s case, there is unequivocal evidence demonstrating deliberate intent and premeditation. Surveillance footage revealed calculated actions—including the disposal of evidence, altering his appearance to avoid detection, and providing false information. These behaviors demonstrate an understanding of the illegality of his actions, effectively discrediting an assertion of insanity.
Mangione’s case demonstrates that the threshold for an insanity defense will likely not be met. However, while the law may hold him accountable for his actions, it’s crucial to address the systemic factors that may contribute to violent behavior. Furthermore, cases like this underscore the importance of responding to the “leakage” of warning signs—indications of emotional distress or dysfunction—to prevent violent tragedies.
We must prioritize emotional wellness, ensuring that society integrates preventive mental health strategies alongside the pursuit of justice. Balancing accountability with compassion allows us to address underlying issues before they escalate into harm.