Birchfield v. North Dakota: Warrantless Breath Tests and the Fourth Amendment

By: Sara Jane Schlafstein

In Birchfield v. North Dakota, the Supreme Court explored warrantless breath tests during DUI stops and their validity under the Fourth Amendment. To determine their constitutionality, the Court adopted a balancing test, weighing the government’s interest in preventing instances of drunk driving with the intrusion on an individual’s privacy. The Court ultimately concluded that warrantless breath tests are constitutional when conducted incident to a lawful DUI arrest. This commentary explores the Court’s reasoning and holding and will argue that the Court was correct in deciding that a warrant is not necessary for conducting a breath test incident to a lawful DUI arrest.

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Birchfield v. North Dakota: Warrantless Breath Tests and the Fourth Amendment

By: Sara Jane Schlafstein

In Birchfield v. North Dakota, the Supreme Court explored warrantless breath tests during DUI stops and their validity under the Fourth Amendment. To determine their constitutionality, the Court adopted a balancing test, weighing the government’s interest in preventing instances of drunk driving with the intrusion on an individual’s privacy. The Court ultimately concluded that warrantless breath tests are constitutional when conducted incident to a lawful DUI arrest. This commentary explores the Court’s reasoning and holding and will argue that the Court was correct in deciding that a warrant is not necessary for conducting a breath test incident to a lawful DUI arrest.

Download PDF