> To do that, dog should be handled by someone who is not their regular police handler. Not necessarily if the experiment is double blind. (Or tripple blind I

> To do that, dog should be handled by someone who is not their regular police handler. Not necessarily if the experiment is double blind. (Or tripple blind I guess because it is the dog, the handler and the on-site experimenter who are not aware of where the samples are hidden.) > Can't win against crooks. That is the bigger problem.