Attorney John Wesley Hall at FourthAmendment.com ponders the implications of the potential application of Z-backscatter technology to drug detection searches not requiring physical access by police.
Questions immediately arise, he writes, "and we have to know that law enforcement is already thinking about this: How fast and close must the subject vehicle be moving by (as in a train or tractor trailer) such that the technology must improve to the point that a ZBV van could be parked on a highway or a truck weigh station to scan everything going by? (They creep by at a highway weigh station, so this is already possible, but vehicles likely drive by too fast on a highway to register.)
What about parking in a driveway and scanning a house?"
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