Miami-Dade narcotics detector canine Franky, who came out of retirement to give a demonstration, sniffs marijuana in Miami in 2011. Franky's supersensitive nose is at the heart of a question being put to the U.S. Supreme Court: Does a police K-9's sniff outside a house give officers the right to get a search warrant for illegal drugs?
Sen. Arlen Specter, a member of the Senate Government Affairs Committee investigating campaign fundraising abuses, questions a witness during hearings on Capitol Hill on July 9, 1997.
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The U.S. Supreme Court is embarking on a new term beginning Monday that could be as consequential as the last one, with the prospect of major rulings on affirmative action, gay marriage and voting rights.