In what landmark case did SCOTUS rule that a knock and talk violated the Fourth Amendment?

Name: In what landmark case did SCOTUS rule that a knock and talk violated the Fourth Amendment?
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Question

In what landmark case did SCOTUS rule that a knock and talk violated the Fourth Amendment? ​

Quizplus · Accepted Answer

In Johnson v. U.S. (1948), the Supreme Court ruled that a "knock and talk" by law enforcement officers, which led to the detection of odors and subsequent search without a warrant, violated the Fourth Amendment's protection against unreasonable searches and seizures.

In What Landmark Case Did SCOTUS Rule That a Knock