Luigi Mangione, accused of murdering UnitedHealthcare CEO Brian Thompson, plans to assert a psychiatric defense in his upcoming trial. His attorneys aim to present an emotional disturbance argument, claiming Mangione was experiencing an extreme mental health crisis at the time of the incident. While some experts suggest this strategy could potentially reduce the murder charge to manslaughter, there are concerns about the effectiveness of the defense in convincing jurors. The case has drawn significant attention, and support for Mangione as a perceived vigilante continues to grow amid the legal proceedings.