Self-defense Cannot Mean This

The ongoing murder trial of Karmelo Anthony has generated an extraordinary amount of national attention and public commentary. On April 2, 2025, during a high school track meet in Frisco, Texas, 17-year-old Austin Metcalf was fatally stabbed following a confrontation in the stadium bleachers. Anthony, who was also 17 at the time, has been charged with murder and has pleaded not guilty while claiming self-defense.

The task of the jury, which is likely to hear the case this week, is to determine what happened and whether Texas law does or does not excuse Anthony’s conduct. Yet the public discussion surrounding the case has revealed something that extends far beyond a single courtroom. It has exposed how poorly many Americans understand self-defense.

Over the past several months, I have listened to legal commentators, television personalities, social-media advocates, and ordinary citizens discuss the case. Again and again, I have encountered the same pattern. The moment someone suggests that Anthony may have felt threatened or Metcalf may have “put his hand on him,” far too many people seem prepared to move directly to the possibility that his use of deadly force may therefore have been justified. That is the beginning and end of their analysis.

On the other hand, American law does not treat self-defense as a blanket permission slip allowing people to do whatever they believe necessary once they experience fear, anger, humiliation, or aggression. If it did, every confrontation would contain within it a legal argument for escalation or even deadly force.

Part of the confusion arises because many people think about self-defense in simple categories. Someone is either the aggressor or the victim. Once a person is placed into the victim category, almost any response begins to look justified. Texas law, in particular, approaches the matter differently. It asks not only who did what, but also what level of force was involved and what level of force was reasonably permissible in response.

Indeed, Texas law distinguishes between use of force and use of deadly force. A person may be justified in using force without being justified in using deadly force. A person may be entitled to resist an attack without being entitled to kill the attacker. The law does not merely ask whether force was used against you. It asks whether your response was proportional to the danger you reasonably believed that you were facing.

This is where much public discussion goes astray. The existence of aggression does not answer the deadly-force question. The existence of fear does not answer the deadly-force question. Even the existence of unlawful force does not necessarily answer the deadly-force question.

Under Texas law, lethal force is subject to a narrower inquiry than non-lethal force. The question is not simply whether the defendant felt threatened. The question is whether deadly force was reasonably believed to be immediately necessary under the circumstances recognized by law. That is a far more demanding inquiry than many public discussions acknowledge.

This distinction matters because fear, while important, is not self-validating. Human beings can experience fear for many reasons. Sometimes fear is a reliable signal of danger. Sometimes it is not. People can be frightened because they are genuinely at risk. They can also be frightened because they are angry, embarrassed, inexperienced, impulsive, traumatized, mistaken, or caught in a rapidly escalating situation they do not fully understand.

The law recognizes this reality. That is why self-defense contains both subjective and objective components. The actor must actually believe force was necessary, but that belief must also satisfy standards of reasonableness. Without that second requirement, self-defense would become little more than a legal endorsement of personal perception and, even worse, an open license to kill.

The Anthony case has brought this issue into sharp relief. Much of the public conversation has focused on who initiated the confrontation. That question may ultimately matter, but another question is equally important: What level of threat existed at the moment deadly force was used?

None of us observing from afar can answer that question with confidence. The jury must weigh testimony, physical evidence, witness credibility, and the court’s instructions on Texas law. Nevertheless, the question itself reveals a larger misunderstanding that extends far beyond this particular case.

Many people also believe that self-defense exists primarily to protect the right to respond. In reality, self-defense law is equally concerned with regulating the response. It recognizes that force may sometimes be necessary while insisting that not every threat justifies every level of force.

At its core, the law reflects a simple insight about human conflict. People are prone to exaggerate threats, misread intentions, and confuse immediate emotion with objective necessity. Self-defense law attempts to account for that reality by requiring distinctions that are often difficult to make in the heat of the moment. It asks people to distinguish between force and deadly force, between danger and deadly danger, between what feels necessary and what the law recognizes as necessary.

Those are not legal niceties. They are foundational principles of peaceful social life. A society cannot long endure if every insult justifies a beating, every shove justifies a stabbing, or every confrontation justifies a killing. The purpose of self-defense law is not simply to authorize protection. It is to preserve the line between a civil and wanton vigilante culture.

Whatever verdict is reached in the Anthony case, the public discussion has already revealed a lesson worth considering. Self-defense is one of the most important rights recognized by a free society, but it will remain meaningful only so long as we remember that it must not authorize every response to every threat.