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Re:Court rules drug dog barely more accurate than a coin fli... by tertius on Friday August 07, 2015 @04:15PM (#10024725)
Except that they would still only deploy the dogs on cars that meet their bias.
Re:Court rules drug dog barely more accurate than a coin fli... by mikeash on Friday August 07, 2015 @04:45PM (#10024914)
Right, but your biases still get filtered through your thought processes.

If all you need is your own suspicion, it could be easy to let one's bias against purple people run rampant, and search every purple person's car and nobody else's.

If you have to call in a dog which you believe to be effective (even if it may not be) then you may only go to that trouble when you actually have some legitimate suspicion, rather than just going based off your anti-purple racism.