What happens if TSA catches you with a knife?

It is illegal even to take a forbidden object to a checkpoint, much less take it on a plane. (For a list, visit www.tsa.gov.) Doing so can subject you to civil fines of up to $10,000, plus possible criminal prosecution.



If a TSA officer discovers a knife in your carry-on or on your person in 2026, the consequences range from a simple warning to a significant federal fine. For small, non-menacing knives like a forgotten pocketknife, the officer will typically give you the option to return to the check-in counter to put it in your checked luggage, hand it to a non-traveling friend, or voluntarily abandon it (meaning it will be confiscated and eventually sold at a state surplus auction). However, if the knife appears concealed or is a prohibited "tactical" weapon, TSA can levy a civil penalty, which in 2026 can reach as high as $2,250 per violation. For serious infractions or if you are uncooperative, local law enforcement may be called to the checkpoint, potentially leading to an arrest or being barred from your flight. To avoid these "travel-ending" headaches, always ensure any blade is securely sheathed and placed in your checked baggage, where they are perfectly legal to transport.

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If you accidentally go through security with your pocket knife, you'll likely be given four options: Take the item back and check it in your luggage. Give the item to someone who is seeing you off, if they are still at the airport. Take the item to your car.

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As a result, prohibited items may result in both a TSA civil enforcement action and a criminal enforcement action. Before leaving home, remember to check your baggage to ensure you are not carrying any prohibited items to avoid a possible arrest and/or civil penalties.

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Lost and found items retained by TSA for a minimum of thirty (30) days, and if not claimed, are either destroyed, turned over to a state agency for surplus property, or sold by TSA as excess property. The state may dispose of the items through sales, destruction, donations or charities.

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What happens if the TSA does catch you with a prohibited item, such as a firearm? The first thing that will happen is that you will be detained. The firearm, silencer, or other equipment will be confiscated, and you will be detained while local law enforcement agencies are notified.

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Some items regularly confiscated by TSA include keychain knives, pocket knives, and shampoo or sunscreen in bottles that exceed 3.4 ounces. When these items are found by a TSA agent, they're quickly removed. If this happens, travelers aren't out of options.

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If you commit certain violations of federal security regulations, such as assault, threat, intimidation, or interference with flight crew, physical or sexual assault or threat of physical or sexual assault of any individual on an aircraft, interference with security operations, access control violations, providing ...

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In general, you are prohibited from traveling with sharp objects in your carry-on baggage; please pack these items in your checked baggage. For more prohibited items, please go to the 'What Can I Bring?' page.

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Is it safe to go through the scanners with the metal implant in your body? Though the metal implant can cause inconvenience by triggering the alarm, it does not cause any additional harm to your body. The metal detectors use an electromagnetic field which does not contain any harmful radiation.

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Why Does the TSA Swab Hands? The Transportation Security Administration randomly swabs passengers' hands at security checkpoints and airport gates to test them for traces of explosives. The TSA swabs are analyzed for nitroglycerin, nitrates, glycerin, or other chemicals.

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E. LEOs are the only employees authorized by TSA to carry firearms.

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You have the right to have a witness present and to have a law enforcement officer supervise the pat-down. You do not have to take off any of your clothing except for outerwear, and the TSA cannot strip-search you. Finally, you have the right to refuse the entire TSA screening process.

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The results of the tests showed that the TSA screeners failed to detect weapons, drugs, and explosives almost 80 percent of the time. While the exact failure rate is classified, multiple sources indicate it is greater than 70 percent.

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According to TSA, agents find one firearm for roughly every 116,394 passengers screened at security checkpoints. If an agent finds a firearm in your carry-on, local airport law enforcement is notified. That agency then determines what happens to you and your firearm.

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Only the passenger should retain the key or combination to the lock unless TSA personnel request the key to open the firearm container to ensure compliance with TSA regulations. You may use any brand or type of lock to secure your firearm case, including TSA-recognized locks.

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TSA screeners often stop and detain travelers for bringing a wad of cash to the airport for a domestic flight. Although TSA can't take your money, they might call a law enforcement officer to seize it for civil asset forfeiture. So how much cash can you fly with? You can fly with any amount of cash.

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