Missouri v. McNeely, 569 U.S. ___ (2013), was a case decided by United States Supreme Court, on appeal from the Supreme Court of Missouri, regarding exceptions to the Fourth Amendment to the United States Constitution under exigent circumstances. The United States Supreme Court ruled that police must generally obtain a warrant before subjecting a drunken-driving suspect to a blood test, and that the natural metabolism of blood alcohol does not establish a per se exigency that would justify a blood draw without consent.
Video Missouri v. McNeely
Background
At approximately 2:08 a.m. on 3 October 2010, Tyler McNeely was stopped after a highway patrol officer observed him exceed the posted speed limit, and cross over the centerline. The officer reportedly noticed signs of intoxication from McNeely, including bloodshot eyes, slurred speech, and the smell of alcohol on his breath. McNeely failed field-sobriety tests administered by the officer. After refusing to blow into a handheld breathalyzer, and stating that he would refuse a breathalyzer at the police station, the officer drove McNeely directly to a medical center instead of the station. The officer did not seek a warrant to conduct the blood test, but asked McNeely for his consent. McNeely was warned by the officer that by refusing a chemical test, his license would be revoked for one year. McNeely continued to refuse, and at 2:35 a.m., the officer proceeded to instruct the lab technician to draw a specimen of blood from McNeely. The results of the blood test showed a BAC of 0.154 percent, which was above the state's legal limit of 0.08 percent. McNeely was charged with driving while intoxicated, and later moved to suppress the results of his blood test, as he argued that it was done unconstitutionally as an unreasonable search and seizure.
Maps Missouri v. McNeely
Procedural history
A trial judge ruled in McNeely's favor to suppress the results of the blood test, stating that administering a blood test without a warrant was a violation of the suspect's Fourth Amendment protection against unreasonable searches and seizures.
State prosecutors later argued that the administration of the test without a warrant was justified as blood alcohol would be metabolized with time, and a delay in obtaining a warrant would amount to destruction of evidence, citing the exigent circumstances exception in the 1966 United States Supreme Court decision Schmerber v. California. On appeal, the state appeals court stated an intention to reverse, but transferred the case directly to the Missouri Supreme Court. The Missouri Supreme Court affirmed the trial court's decision that the officer had violated McNeely's Fourth Amendment rights. The United States Supreme Court granted a petition for writ of certiorari on 25 September 2012.
Opinion of the Court
A 5-4 Supreme Court affirmed the Missouri Supreme Court, agreeing that an involuntary blood draw is a "search" as that term is used in the Fourth Amendment. As such, a warrant is generally required. In its majority opinion, the Court found that because McNeely's "case was unquestionably a routine DWI case" in which no factors other than the natural dissipation of blood-alcohol suggested that there was an emergency, the court held that the nonconsensual warrantless blood draw violated McNeely's Fourth Amendment right to be free from unreasonable searches of his person. However, the Court left open the possibility that the "exigent circumstances" exception to that general requirement might apply in some drunk-driving cases.
See Also
- Breithaupt v. Abram (1957) U.S. Supreme Court case in which the Court ruled that involuntary blood samples, taken by a skilled technician to determine intoxication, do not violate substantive due process under the Fourteenth Amendment
- Birchfield v. North Dakota (2016)
References
Source of the article : Wikipedia
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