Concealed Carry, Legal & Law

People v. Robertson: Colorado Self-Defense Law and the Duty to Retreat

People v. Robertson, 56 P.3d 121 (Colo. App. 2002), is a pivotal Colorado case that explores the legal boundaries of self-defense—especially when the defendant is the initial aggressor in a conflict. For concealed carry permit holders, armed security guards, and anyone concerned with lawful firearm use in self-defense, this case is a valuable study in understanding Colorado’s nuanced use-of-force laws.


Case Background

In People v. Robertson, the defendant, Robertson, was involved in a fatal altercation after a confrontation that escalated. Evidence at trial suggested that Robertson may have provoked the encounter that led to the use of deadly force. The central legal issue was whether Robertson had the right to claim self-defense under Colorado law, even though he may have been the initial aggressor.

The jury was instructed that a person who provokes an encounter may not claim self-defense unless they withdraw from the conflict in good faith and effectively communicate that withdrawal. This instruction was consistent with C.R.S. § 18-1-704(3)(b), which imposes a duty to retreat or disengage for an aggressor before they can lawfully use deadly force.


Key Legal Takeaways

1. Initial Aggressors Must Withdraw

Under Colorado law, if you initiate or escalate a confrontation, you must:

  • Withdraw in good faith, and
  • Clearly communicate that withdrawal to the other party.

Failure to do so strips you of the legal right to claim self-defense, even if the other person escalates the conflict.

2. No Duty to Retreat—But With Limits

Colorado is a “stand your ground” state for those who are not the initial aggressor. If you’re attacked unlawfully and you’re not provoking the situation, you do not have a legal duty to retreat before using reasonable force, including deadly force if justified under C.R.S. § 18-1-704.

However, People v. Robertson reinforces that this protection does not apply to the provocateur.

3. Jury Instructions Matter

One of Robertson’s appeals was based on the jury instructions. The appellate court held that the instruction about the duty to withdraw was legally accurate and necessary based on the facts. This shows how critical proper jury instructions are in self-defense cases.


Why This Case Matters for CCW Holders and Armed Professionals

If you carry a firearm—whether for personal defense or as part of your job—you must understand your responsibilities before using force. People v. Robertson teaches that:

  • Escalating a confrontation, even verbally or by displaying a firearm, could make you legally responsible for what happens next.
  • You could lose your legal defense if you don’t attempt to disengage after provoking someone.
  • Your mindset and behavior before the use of force can determine whether your actions are protected or prosecuted.

Real-World Implications

In firearms and self-defense training, we emphasize de-escalation, verbal disengagement, and retreat if you’re the aggressor. This case shows how someone armed with a firearm must maintain composure and avoid becoming the instigator—even unintentionally.

If you’re ever forced to defend yourself with a firearm, your ability to legally justify your actions may depend on small details: who said what first, whether you brandished your firearm too early, or whether you tried to walk away.


Legal Disclaimer

This article is for educational purposes only and does not constitute legal advice. Always consult a licensed attorney for guidance specific to your situation. Laws may have changed since this publication.


Train the Right Way—Before You Need To Defend Yourself

At Concealed Carry Classes of Denver, we train you not just to shoot—but to survive legally, ethically, and tactically. Our courses cover the Colorado Revised Statutes, use-of-force law, and real-world incident management, including how to avoid becoming a defendant like in People v. Robertson.

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