High Court Extends Fourth Amendment Protections to DUI Blood Tests

In Birchfield v. North Dakota, the U.S. Supreme Court today held that states cannot criminalize an individual’s refusal to submit to a warrantless blood test. The Court also found that the Fourth Amendment does not allow warrantless blood tests incident to arrest, but does permit warrantless breath tests. In the 2013 case Maryland v. King, EPIC urged the Supreme Court to protect genetic privacy by extending Fourth Amendment protections the collection of DNA from arrestees. In that case, the Supreme Court held that a cheek swab incident to an arrest was permissible.


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