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Self-defense in criminal law is a justification: a legal recognition that using force to prevent harm to yourself or someone else isn’t a crime when the circumstances call for it. You’re not denying what happened. You’re saying the law allowed it. That distinction shapes everything about how these cases unfold, which is why a Lake Charles criminal defense lawyer looks at a self-defense case differently from almost any other kind.

man disarming someone with a gun - what is self-defense in criminal law?

How does self-defense work in Louisiana?

Louisiana’s legal system builds self-defense law around a few core requirements.

Under La. R.S. 14:20, a killing is justified when the person reasonably believes they’re in imminent danger of losing their life or suffering great bodily harm, and that deadly force is necessary to prevent it. Pull that apart, and you get the three questions every self-defense case turns on:

  • Was there an imminent threat? The danger has to be happening or about to happen, not a threat from last week, and not something that might happen someday.
  • Was the belief reasonable? It’s not enough that you were scared. A reasonable person in your shoes, facing what you faced, would’ve seen the same danger.
  • Was the force proportional? Deadly force may be justified when a person reasonably believes it is necessary to prevent death, great bodily harm, or certain violent or forcible felonies involving those dangers.

Does Louisiana have stand-your-ground laws?

Yes. In much of the United States, the duty to retreat requires people to back away from a confrontation if they can do so safely before using deadly force. Louisiana takes the opposite approach. If you’re somewhere you have a right to be, and you’re not doing anything unlawful, you have no duty to retreat. You might stand your ground and meet force with force. The law goes a step further: a jury isn’t even allowed to consider whether you could’ve retreated when deciding whether your actions were reasonable.

What about defending your home, business, or vehicle?

Louisiana’s version of the castle doctrine is written directly into the statute. When someone unlawfully and forcibly enters your home, business, or vehicle (and you know or have reason to believe that’s what’s happening), the law presumes your belief that deadly force was necessary is reasonable. That presumption matters enormously in a real case: it means the starting point favors you.

One important exception: the protection doesn’t apply if you were involved in drug distribution activity at the time. The statute is explicit about that.

Can you use force to protect someone else?

Yes. Under La. R.S. 14:22, you can defend another person when it’s reasonably apparent they could’ve justifiably defended themselves, and your stepping in was necessary to protect them. Come to the aid of a stranger being attacked in a parking lot, and the law treats you much the way it would’ve treated them.

Who has to prove a self-defense claim?

Once self-defense is properly raised in a Louisiana criminal case, the prosecution must prove beyond a reasonable doubt that you did not act in lawful self-defense. That burden applies in criminal proceedings involving self-defense under Louisiana’s justification statutes, making it the state’s responsibility to disprove the defense rather than requiring the defendant to prove it.

When can’t you claim self-defense?

The law draws some firm lines. If you started the fight, you’re generally considered the aggressor and can’t claim self-defense unless you clearly withdrew from the conflict first. If the threat had already passed, force stops being defense and starts being retaliation. And if the response wildly outweighs the danger, proportionality fails. These limits are where most self-defense claims are won or lost.

Facing criminal charges after defending yourself?

If you’ve been arrested in Calcasieu Parish for protecting yourself or your family, the time to build your skilled defense is now, before statements are given and evidence goes uncollected. Self-defense questions come up in everything from simple battery to the most serious violent crimes, and the earlier the facts get locked down, the stronger your position.

The Johnson Firm defends people across Southwest Louisiana who acted in a moment they never asked for. Call (337) 333-4057 or contact us online to talk about your case.