Due to their powerful sense of smell and extensive training, drug-sniffing police dogs can smell narcotics from a mile away (figuratively speaking). The invasive nature of their use has raised interesting questions about the right to privacy.
So when and where can drug-sniffing dogs be used? A few recent decisions by the U.S. Supreme Court have shed light on the subject. Below, you'll find an explanation of those decisions and how they apply to you.