Study: Drug K-9s only as good as handlers
Drugs or drug paraphernalia turned up in only 44 percent of the vehicles to which dogs "alerted" officers
By Jacob Sullum
CHICAGO — Back in 2005, when the Supreme Court approved the use of drug-detecting dogs during routine traffic stops, dissenting Justice David Souter noted that "the infallible dog ... is a creature of legal fiction" A recent investigation by the Chicago Tribune supports Souter's conclusion.
Examining records of traffic stops in the Chicago suburbs, the Tribune found that police turned up drugs or drug paraphernalia in only 44 percent of the vehicles to which dogs "alerted."
Full story: Study: Drug K-9s only as good as handlers