Welsh v. Wisconsin
{'<entity_0>': 'Welsh v. Wisconsin', '<entity_1>': 'search and seizure'}
[['Welsh v. Wisconsin', 'main subject', 'search and seizure']]
<entity_0>, 466 U.S. 740 (1984), was a 1983 case before the US Supreme Court determining whether a warrantless arrest violates the Fourth Amendment protection against unlawful <entity_1>.
['legal case', 'United States Supreme Court decision']