What rights do we have against 'civil-forfeiture' when pulled over by the police?

the same scanner that law enforcement uses to scan licence plates also picks up the magnetic strips embedded in cash. The average officer equipped with a scanner for licence plates already knows how much money is in your car barring the change in the ashtray just fyi. It is how they find large sums of drug money. keep your withdrawl slip when going to buy a car.