Answer:
1)
What are the advantages of drug dogs?
One of the qualities of detection dogs is that they are able to identify individual scents, even when the scents are combined or masked by other odors. They also have the ability to detect odors when they are tightly sealed or deeply hidden.
Drug dogs are drugs, so, they obviously lead to addiction.
2)
What is the false positive rate for drug-sniffing dogs?
Harris was the first Supreme Court case to challenge the dog's reliability, backed by data that asserts that on average, up to 80% of a dog's alerts are wrong. Twenty-four U.S. States, the federal government, and two U.S. territories filed briefs in support of Florida as amici curiae.
3)
In my opinion, yes. The Court hears Cases when Lower Courts Disregard past Supreme Court decisions: If a lower court blatantly disregards a past Supreme Court decision, the court may hear the case to correct the lower court, or alternatively, simply overrule the case without comment.