There are a number of exceptions to the exclusionary rule which allow police to search places without probable cause or a search warrant.For example:

Question

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The best choice is E (a and b) because persons crossing at border checkpoints and cases of exigent circumstances are exceptions to the exclusionary rule which allow police to search places without probable cause or a search warrant. Option C (the entire house of the arrestee) is not an exception to the exclusionary rule as a search warrant or probable cause is required unless one of the other exceptions apply. Option A (persons crossing at border checkpoints) is a valid exception due to the government's interest in protecting the border from illegal activities, while option B (cases of exigent circumstances) allows for the police to search without a warrant in emergency situations where waiting for a warrant could put lives or property at risk.

There Are a Number of Exceptions to the Exclusionary Rule