In Mitchell v. Wisconsin, No. 18-6210 (Jan. 10, 2019) (cert. granted), the United States Supreme Court granted certiorari to decide “[w]hether a statute authorizing a blood draw from an unconscious motorist provides an exception to the Fourth Amendment warrant requirement.”
The lower court opinion of the Wisconsin Supreme Court is reported as State v. Mitchell, 383 Wis. 2d 192, 914 N.W. 2d 151 (Wis. 2018), and available here. Certiorari stage briefing is available at the Supreme Court’s website here. The oral argument date is to be determined.