Why Tossing a Firearm During a Police Chase Hurts Your Defense

Posted August 2026

If you watch television or read about local arrests, you frequently see stories of a police pursuit where the suspect supposedly "discarded a firearm" while running away. From a practical standpoint, people often think that getting rid of the weapon gives them a better chance of avoiding a felony conviction. If the police didn’t find it in your pocket, how can they prove it was yours?

From a legal standpoint, however, tossing a weapon during a chase is often the exact moment a defense case becomes incredibly difficult.

To understand why, you have to look at how Illinois courts view the Fourth Amendment.

The Legal Doctrine of Abandonment

The Fourth Amendment protects you against unreasonable searches and seizures. If the police stop you on the street illegally and search your pockets without probable cause, a defense attorney can file a Motion to Suppress. If successful, the judge throws out the evidence, and the state's case usually falls apart.

But there is a major catch: you can only claim Fourth Amendment protection over items in which you have a reasonable expectation of privacy.

When you throw an object onto the street, under a car, or into a bush while fleeing from law enforcement, Illinois law applies the "abandonment doctrine". The courts view this act as an intentional decision to give up control and ownership of the property.

Once property is legally abandoned, it becomes public domain. The police do not need a warrant, reasonable suspicion, or probable cause to pick it up off the ground.

Losing Your Ability to Fight the Evidence

When a client comes into a criminal defense attorney's office facing an Unlawful Use of a Weapon (UUW) charge, the very first thing an attorney looks at is the police conduct/arrest report. Did the officers have a legal reason to initiate the stop?

If you kept the firearm on your person and the police searched you illegally, the law is on your side. We can fight the stop itself.

But if the firearm was thrown during the flight or discarded. the prosecution will argue that the gun was recovered before you were ever officially seized or detained by the officers. Because you abandoned the item in a public space, the court may likely rule that you lack the legal "standing" to challenge how the police recovered it. The weapon becomes fully admissible, and the state can focus entirely on using DNA, fingerprints, video footage, or officer testimony to link that weapon back to you.

Know Your Rights

Every criminal case depends entirely on the specific timeline of events. Exactly when the police ordered you to stop, where the weapon was recovered, and whether the abandonment was truly voluntary are all details that require a careful legal review.

If you are dealing with a firearm offense or an arrest following a police encounter in Illinois, you need to know exactly how the law applies to the facts of your situation. Reach out to GLS Litigation Services today to schedule a FREE consultation.

Legal Disclaimer: This blog post is published for educational and informational purposes only. The information provided above does not constitute formal legal advice, does not establish an attorney-client relationship, and legal explanations do not serve as a guarantee of outcomes in any future criminal matter.