TSA officials can levy civil penalties — fines of up to $14,950 for repeat violations — and agency officials weigh factors such as whether the firearm was loaded.

While these "common" behaviors may not seem to be out of the ordinary, they may raise eyebrows or red flags for transportation security officers when flight passengers are going through security.

A Lego set stuffed with gun parts and a sunglasses case filled with snakes were among some of the top “catches” that officers with the Transportation Security Administration made in 2024,