Just read this:

On April 25, Gregory Despres arrived at the U.S.-Canadian border crossing at Calais, Maine, carrying a homemade sword, a hatchet, a knife, brass knuckles and a chain saw stained with what appeared to be blood. U.S. customs agents confiscated the weapons and fingerprinted Despres. Then they let him into the United States.

Turns out the guy had just murdered two people. Who’d’a’thunk it, right? He was arrested in Massachusetts.

What would you do? Imagine you’re an agent working the U.S. border. Some guy wants to enter your country. He’s bearing a homemade sword, a hatchet, a knife, brass knuckles, and a blood-stained chainsaw, and he looks like this: