Can you carry a pocket knife in Washington DC?

In Washington, D.C., carrying a pocket knife is generally prohibited if it has a blade longer than 2.5 inches or if it is considered a "switchblade" or other types of prohibited knives. While you can possess small folding knives without a fixed blade, they must be carried in a way that is not intended for use as a weapon. It's important to check the latest regulations, as laws can change, and local interpretations may vary. Always ensure compliance with specific restrictions when visiting or residing in the area.