That money is narco currency. It has narco character to it. Now, it may enter legitimate commerce. And there are people that say that once it enters legitimate commerce it therefore loses its narco character. There is nothing legitimate about that transaction.
Nobody transacts business that way.
They often do. It's not the only way we seize money. We seize money from bank accounts as well. You make a legitimate probable cause stop for some infraction of some type. Or if they're not in automobiles or out on the street you can just go up to them and ask them.