Fourth Amendment news–“Biometric Scans for Traffic Stops”

On PrisonPlanet.com: Biometric Scans for Traffic Stops, with a YouTube video of Milwaukee police using fingerprint scanners on drivers.

This thoughtful piece makes cogent points about the fingerprint dragnet of Davis v. Mississippi from 1969 and personal security from Schmerber v. California from 1966.

In Delaware v. Prouse in 1979, however, the Court held that random stops of drivers to check the validity of their licenses and safety equipment were unreasonable. In a throwaway paragraph designed to get votes, the Court said in dicta that roadblocks to check papers would be reasonable, even though that was not the issue:

Accordingly, we hold that except in those situations in which there is at least articulable and reasonable suspicion that a motorist is unlicensed or that an automobile is not registered, or that either the vehicle or an occupant is otherwise subject to seizure for violation of law, stopping an automobile and detaining the driver in order to check his driver’s license and the registration of the automobile are unreasonable under the Fourth Amendment. This holding does not preclude the State of Delaware or other States from developing methods for spot checks that involve less intrusion or that do not involve the unconstrained exercise of discretion. Questioning of all oncoming traffic at roadblock-type stops is one possible alternative. We hold only that persons in automobiles on public roadways may not for that reason alone have their travel and privacy interfered with at the unbridled discretion of police officers. The judgment below is affirmed.

Law enforcement since the beginning of time has had an “us v. them” attitude about citizens and citizen’s rights. What happens today is a product of advancing technology, so don’t be surprised that biometric fingerprint scanning is here. The question instead is what we do about it? Or, what can we do about it? Has the privacy train long ago left the station? Maybe so, and long before biometric scanning was available. One need only go back to Nixon’s Supreme Court.

My fear is that anybody who presents a driver’s license could be found to be subject to a biometric fingerprint confirmation of the fact, assuming the stop is legal. Therefore, the dragnet of Davis likely is inapposite because that case involved a round-up. Here, no round-up because there is a valid stop. The Supreme Court long ago held that there was no reasonable expectation of privacy in voice or handwriting, and it said in Schmerber in dicta (at 764) before that even that fingerprints fared no better. The government will argue: If your driver’s license and that magnetic strip on the back have data about you [and what about your fingerprint or retinaprint being on the magnetic strip someday?] and your picture, what is the difference that a fingerprint confirmation of your identity is sought on the scene?

I, for one, don’t want to give a fingerprint to prove who I am. My local police for 20 years required a thumbprint on a traffic citation to confirm the identity of the person stopped because of the problem of drivers using somebody else’s driver’s licenses, so it is a real problem.

How can the law protect against fingerprint confirmation? Maybe it can’t, but should it? Let the dialog begin.

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