You can be detained on reasonable suspicion (a nebulous legal term), but you cannot be arrested without probable cause. If you are arrested without probable cau

You can be detained on reasonable suspicion (a nebulous legal term), but you cannot be arrested without probable cause. If you are arrested without probable cause, you can sue and win. If an officer had probable cause that someone was smuggling money, they would never have a civil asset forfeiture -- it would be a criminal case from start to finish. The fact that the law was designed to end run around constitutional protections speaks volumes about it and its authors.