Schmerber v. California
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''Schmerber v. California'', 384 U.S. 757 (1966), was a
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United States Supreme Court The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that involve a point o ...
case in which the Court clarified the application of the Fourth Amendment's protection against warrantless searches and the Fifth Amendment right against
self-incrimination In criminal law, self-incrimination is the act of exposing oneself generally, by making a statement, "to an accusation or charge of crime; to involve oneself or another ersonin a criminal prosecution or the danger thereof". (Self-incriminati ...
for searches that intrude into the human body. Until ''Schmerber'', the Supreme Court had not yet clarified whether state police officers must procure a search warrant before taking blood samples from criminal suspects. Likewise, the Court had not yet clarified whether blood evidence taken against the wishes of a criminal suspect may be used against that suspect in the course of a criminal prosecution. In a 5–4 opinion, the Court held that forced extraction and analysis of a blood sample is not compelled testimony; therefore, it does not violate the Fifth Amendment right against self-incrimination.''Schmerber v. California'', . The Court also held that intrusions into the human body ordinarily require a search warrant.''Schmerber'', 384 U.S. at 770. However, the Court ruled that the involuntary, warrantless blood sample taken in this case was justified under the Fourth Amendment's
exigent circumstance In criminal procedure law of the United States, an exigent circumstance allows law enforcement (under certain circumstances) to enter a structure without a search warrant, or if they have a " knock and announce" warrant, allows them to enter withou ...
s exception because evidence of blood alcohol would be destroyed by the body's natural
metabolic Metabolism (, from el, μεταβολή ''metabolē'', "change") is the set of life-sustaining chemical reactions in organisms. The three main functions of metabolism are: the conversion of the energy in food to energy available to run cell ...
processes if the officers were to wait for a warrant. In 2013, the Supreme Court clarified in ''
Missouri v. McNeely ''Missouri v. McNeely'', 569 U.S. 141 (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 circumstan ...
'' that the natural metabolism of alcohol in the bloodstream is not a ''
per se Per se may refer to: * ''per se'', a Latin phrase meaning "by itself" or "in itself". * Illegal ''per se'', the legal usage in criminal and antitrust law * Negligence ''per se'', legal use in tort law *Per Se (restaurant), a New York City restauran ...
'' exigency that would always justify warrantless blood tests of individuals suspected of driving under the influence of alcohol. In the years following the Court's decision in ''Schmerber'', many legal scholars feared the ruling would be used to limit
civil liberties Civil liberties are guarantees and freedoms that governments commit not to abridge, either by constitution, legislation, or judicial interpretation, without due process. Though the scope of the term differs between countries, civil liberties ma ...
. Other scholars, including Nita A. Farahany, Benjamin Holley, and John G. New, have suggested courts may use the ruling in ''Schmerber'' to justify the use of mind reading devices against criminal suspects. Because the Court's ruling in ''Schmerber'' prohibited the use of warrantless blood tests in most circumstances, some commentators argue that the decision was responsible for the proliferation of
breathalyzer A breathalyzer or breathalyser (a portmanteau of ''breath'' and ''analyzer/analyser'') is a device for estimating blood alcohol content (BAC), or to detect viruses or diseases from a breath sample. The name is a genericized trademark of the Br ...
s to test for alcohol and urine analyses to test for controlled substances in criminal investigations.See, e.g., John A. Scanlan, Jr.
''Playing the Drug-Testing Game: College Athletes, Regulatory Institutions, & the Structures of Constitutional Argument''
62 (1987); ''Commonwealth v. Brennan'', 386 Mass. 772, 776-77 (1982) (discussing impacts of the Court's ruling in ''Schmerber'' on "the breathalyzer test").


Background


In the 1950s, the
Supreme Court of the United States The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. Federal tribunals in the United States, federal court cases, and over Stat ...
issued two key rulings clarifying the constitutionality of physical intrusions into the human body by police and other government agents. In '' Rochin v. California'', police officers broke into the home of an individual suspected of selling narcotics and observed him place several small objects into his mouth.'' Rochin v. California'', . Officers were unable to force his mouth open, so they transported him to a local hospital where his stomach was pumped against his will. A unanimous Supreme Court held the involuntary stomach pump was an unlawful violation of
substantive due process Substantive due process is a principle in United States constitutional law that allows courts to establish and protect certain fundamental rights from government interference, even if only procedural protections are present or the rights are unen ...
because it "shocked the conscience", and was so "brutal" and "offensive" that it did not comport with traditional ideas of fair play and decency. In 1957, the Court held in '' Breithaupt v. Abram'' that involuntary blood samples "taken by a skilled technician" neither "shocked the conscience" nor violated
substantive due process Substantive due process is a principle in United States constitutional law that allows courts to establish and protect certain fundamental rights from government interference, even if only procedural protections are present or the rights are unen ...
. In ''Breithaupt'', police took a blood sample from a patient suspected of driving under the influence of alcohol while he lay unconscious in a hospital. The Court held that the blood samples were justified, in part, because "modern community living requires modern scientific methods of crime detection." Additionally, the Court mentioned in dicta that involuntary blood samples may violate the constitution if officers do not provide "every proper medical precaution" to the accused.


Fourth Amendment exclusionary rule

Until the twentieth century, courts would admit evidence at trial even if it was seized in violation of the Fourth Amendment. Although the Supreme Court developed an
exclusionary rule In the United States, the exclusionary rule is a legal rule, based on constitutional law, that prevents evidence collected or analyzed in violation of the defendant's constitutional rights from being used in a court of law. This may be consider ...
for federal cases in ''
Weeks v. United States ''Weeks v. United States'', 232 U.S. 383 (1914), was a United States Supreme Court case in which the Court unanimously held that the warrantless seizure of items from a private residence constitutes a violation of the Fourth Amendment to the U.S ...
'' and '' Silverthorne Lumber Co. v. United States'', the Court held in 1949 that the exclusionary rule did not apply to the states. In ''Rochin'', the Court held that evidence obtained in a manner that "shocks the conscience" must be excluded in criminal prosecutions but the court declined to incorporate a broad exclusionary rule for all Fourth Amendment violations. By the middle of the twentieth century, many state courts had crafted their own exclusionary rules. In 1955, the
California Supreme Court The Supreme Court of California is the highest and final court of appeals in the courts of the U.S. state of California. It is headquartered in San Francisco at the Earl Warren Building, but it regularly holds sessions in Los Angeles and Sac ...
ruled in ''People v. Cahan'' that the Fourth Amendment's exclusionary rule applied in California because it was necessary to deter constitutional violations by law enforcement. In 1961, the Supreme Court of the United States relied upon ''Cahan'' to hold in '' Mapp v. Ohio'' that the exclusionary rule was incorporated to the states.


Arrest and prosecution

On the night of November 12, 1964, Armando Schmerber and a passenger were driving home after drinking at a tavern and bowling alley in the
San Fernando Valley The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...
region of
Los Angeles, California Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the List of municipalities in California, largest city in the U.S. state, state of California and the List of United States cities by population, sec ...
, when their car skidded off the road and struck a tree. Schmerber and his companion were injured in the crash and taken to a hospital for treatment. When investigating police officers arrived at the hospital, they asked Schmerber to submit a sample of his blood, but Schmerber refused. Although they did not possess a
search warrant A search warrant is a court order that a magistrate or judge issues to authorize law enforcement officers to conduct a search of a person, location, or vehicle for evidence of a crime and to confiscate any evidence they find. In most countries, ...
, officers instructed attending physicians to take a blood sample from Schmerber. The blood sample indicated that Schmerber was intoxicated, and he was placed under arrest.''Schmerber'', 384 U.S. at 759. The blood sample was ultimately admitted into evidence at trial, and Schmerber was convicted for driving under the influence of intoxicating liquors. Schmerber objected to the admissibility of the blood sample, claiming that the police violated his rights to
due process Due process of law is application by state of all legal rules and principles pertaining to the case so all legal rights that are owed to the person are respected. Due process balances the power of law of the land and protects the individual per ...
, his right against
self-incrimination In criminal law, self-incrimination is the act of exposing oneself generally, by making a statement, "to an accusation or charge of crime; to involve oneself or another ersonin a criminal prosecution or the danger thereof". (Self-incriminati ...
, his
right to counsel In criminal law, the right to counsel means a defendant has a legal right to have the assistance of counsel (i.e., lawyers) and, if the defendant cannot afford a lawyer, requires that the government appoint one or pay the defendant's legal exp ...
, and his right not to be subjected to unreasonable searches and seizures. The Appellate Department of the California Superior Court rejected Schmerber's arguments, and the California District Court of Appeal declined to review his case.


Arguments before the Court

Schmerber submitted an appeal to the Supreme Court of the United States, which granted certiorari on January 17, 1966. In his brief, Schmerber argued, '' inter alia'', that the warrantless blood test violated his Fourth Amendment right to be free from unlawful searches and seizures, as well as his Fifth Amendment right against self-incrimination. The
Los Angeles City Attorney The Los Angeles City Attorney is an elected official who serves as the city of Los Angeles' government's lawyer and as a criminal prosecutor for misdemeanor violations. The Los Angeles County District Attorney prosecutes felonies A felony is t ...
's office represented the State of California on appeal.Brief for Respondent, ''Schmerber v. California'', 384 U.S. 757 (U.S., 1966). In their brief, the City Attorney argued that the blood test did not violate the Fourth Amendment because the seizure was conducted incident to a lawful arrest. The City Attorney also argued that admitting the sample into evidence did not violate Schmerber's Fifth Amendment right against self-incrimination because blood is not testimonial evidence under the Fifth Amendment. Oral arguments were held on April 25, 1966, and the Court issued its opinion on June 20, 1966.


Opinion of the Court

In his majority opinion,
Justice Justice, in its broadest sense, is the principle that people receive that which they deserve, with the interpretation of what then constitutes "deserving" being impacted upon by numerous fields, with many differing viewpoints and perspective ...
William J. Brennan, Jr. William Joseph "Bill" Brennan Jr. (April 25, 1906 – July 24, 1997) was an American lawyer and jurist who served as an Associate Justice of the Supreme Court of the United States from 1956 to 1990. He was the seventh-longest serving justice ...
held that Schmerber's constitutional rights were not violated when police took his blood without his consent. Relying upon the Court's holding in ''Breithaupt v. Abram'', he concluded that the police did not violate Schmerber's Fifth Amendment right against self-incrimination because the extraction and chemical analysis of the blood sample did not involve "even a shadow of testimonial compulsion." Likewise, Justice Brennan held that the officers did not violate Schmerber's Fourth Amendment right against unreasonable seizures. Justice Brennan wrote that absent exigent circumstances, searches that involve intrusions into the human body require a search warrant. Here, the search was not justified as a search incident to arrest because weapons and contraband are not ordinarily concealed beneath the skin. However, the involuntary blood draw was justified under the Fourth Amendment's exigent circumstances exception because if the officers had waited to receive a search warrant, evidence of intoxication would have been lost through the body's natural metabolism of alcohol in the bloodstream. He wrote that the responding officer "might reasonably have believed that he was confronted with an emergency," where evidence would be destroyed if he waited to receive a warrant. Additionally, Justice Brennan cautioned that the Court's ruling was limited "only to the facts of the present record" and that "minor intrusions into an individual's body under stringently limited conditions in no way indicates that it permits more substantial intrusions, or intrusions under other conditions."


Justice Harlan's concurrence

In his concurring opinion, Justice
John Marshall Harlan II John Marshall Harlan (May 20, 1899 – December 29, 1971) was an American lawyer and jurist who served as an associate justice of the U.S. Supreme Court from 1955 to 1971. Harlan is usually called John Marshall Harlan II to distinguish him ...
agreed that the involuntary blood sample did not implicate involuntary testimonial compulsion, but wrote separately to emphasize his opinion that the case before the Court "in no way implicates the Fifth Amendment." Additionally, Justice Harlan cited to his dissent in ''
Miranda v. Arizona ''Miranda v. Arizona'', 384 U.S. 436 (1966), was a landmark decision of the U.S. Supreme Court in which the Court ruled that the Fifth Amendment to the U.S. Constitution restricts prosecutors from using a person's statements made in response to ...
'' where he argued against a broad expansion of the Fifth Amendment right against self-incrimination. Justice Harlan disagreed with the Court's ruling in ''Miranda'' and even stated that the case "represents poor constitutional law and entails harmful consequences for the country at large."


Dissenting opinions

All four dissenting Justices wrote separate dissenting opinions in ''Schmerber''. Chief Justice
Earl Warren Earl Warren (March 19, 1891 – July 9, 1974) was an American attorney, politician, and jurist who served as the 14th Chief Justice of the United States from 1953 to 1969. The Warren Court presided over a major shift in American constitutio ...
reiterated his dissenting opinion in ''Breithaupt v. Abram'', where he argued that involuntary blood samples violate substantive due process. Justice
Hugo Black Hugo Lafayette Black (February 27, 1886 – September 25, 1971) was an American lawyer, politician, and jurist who served as a U.S. Senator from Alabama from 1927 to 1937 and as an associate justice of the U.S. Supreme Court from 1937 to 1971. ...
authored an impassioned dissent in which he argued that the officers violated Schmerber's right against self-incrimination.''Schmerber'', 384 U.S. at 778 (Black, J., dissenting). He wrote, " lieving with the Framers that these constitutional safeguards broadly construed by independent tribunals of justice provide our best hope for keeping our people free from governmental oppression, I deeply regret the Court's holding." Justice William O. Douglas also reiterated his dissent in ''Breithaupt v. Abram'', but added that physical invasions into the human body violate the right to privacy enumerated in '' Griswold v. Connecticut'' and that " clearer invasion of this right of privacy can be imagined than forcible bloodletting of the kind involved here." Finally, Justice
Abe Fortas Abraham Fortas (June 19, 1910 – April 5, 1982) was an American lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1965 to 1969. Born and raised in Memphis, Tennessee, Fortas graduated from R ...
wrote that the involuntary blood sample was an act of violence that violated substantive due process and that states may not resort to acts of violence when prosecuting crimes.


Subsequent developments

In the 1970s and 1980s, the Supreme Court revisited questions about the constitutionality of involuntary bodily intrusions in several key cases. In 1973, the Court ruled in '' Cupp v. Murphy'' that the police were permitted to extract a tissue sample from underneath a suspect's fingernails to recover "evanescent" physical evidence. The suspect in ''Cupp'' was suspected of strangling his wife and voluntarily went to a police station to answer questions.''Cupp'', 412 U.S. at 292. Officers noticed bloodstains under the suspect's fingernails and detained him, but did not place him under arrest. Against the suspect's wishes, the police scraped out a tissue sample from under his fingernails to retrieve the evidence. The biological material found under the suspect's fingernails was later found to have come from the victim. Citing ''Schmerber'', the Court held that this warrantless search was justified under the exigent circumstances exemption of the Fourth Amendment because the search was necessary to preserve the “highly evanescent evidence” under the defendant's fingernails. Twelve years later, the Court again revisited the topic of involuntary bodily intrusions in '' Winston v. Lee'', where the Court held that the State of
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
could not force an individual to undergo surgery to extract a bullet that may be evidence of a crime. The Court applied its previous holding in ''Schmerber'' to conclude that the surgery would constitute an unreasonable search under the Fourth Amendment and that a crucial factor for evaluating any bodily intrusion "is the extent to which the procedure may threaten the safety or health of the individual." Writing for the Court's majority, Justice Brennan concluded that forcing a patient to undergo major surgery intrudes too far upon individual privacy rights and that surgical intrusions "can only be characterized as severe." In 1989, the Court ruled in '' Skinner v. Railway Labor Executives’ Association'' that warrantless blood tests of railroad employees were reasonable under the Fourth Amendment. The Court reaffirmed that the “compelled intrusio into the body for blood to be analyzed for alcohol content” is a search under the Fourth Amendment, but that warrantless blood tests of railroad employees were necessary to "prevent accidents and casualties in railroad operations that result from impairment of employees by alcohol or drugs.” The Court also concluded that when individuals “participate in an industry that is regulated pervasively to ensure safety,” these individuals “have a reduced expectation of privacy.” Because these employees had a "diminished expectation of privacy," the warrantless blood tests were permissible. Justice
Thurgood Marshall Thurgood Marshall (July 2, 1908 – January 24, 1993) was an American civil rights lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1967 until 1991. He was the Supreme Court's first African-A ...
and Justice Brennan wrote a dissenting opinion in which they argued that this case was distinguishable from ''Schmerber'' because "no such exigency prevents railroad officials from securing a warrant before chemically testing the samples they obtain."


''South Dakota v. Neville'' and self-incrimination

After the Court issued its decision in ''Schmerber'', a split of authority emerged in lower courts with regard to whether the Fifth Amendment's right against self-incrimination prohibited the use of a suspect's refusal to submit to a blood test as evidence of guilt. The United States Supreme Court resolved this split in authority in '' South Dakota v. Neville'', where the Court held that prosecutors could use a suspect's refusal to submit to a blood test as evidence of guilt, and the introduction of this evidence at trial does not violate the suspect's Fifth Amendment right against self-incrimination. Writing for the Court's majority, Justice
Sandra Day O'Connor Sandra Day O'Connor (born March 26, 1930) is an American retired attorney and politician who served as the first female associate justice of the Supreme Court of the United States from 1981 to 2006. She was both the first woman nominated and th ...
concluded that "the state did not directly compel respondent to refuse the test" and that a "simple blood-alcohol test is so safe, painless, and commonplace" a suspect would not feel coerced to refuse the test. Justice
John Paul Stevens John Paul Stevens (April 20, 1920 – July 16, 2019) was an American lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1975 to 2010. At the time of his retirement, he was the second-oldes ...
wrote a dissenting opinion, joined by Justice
Thurgood Marshall Thurgood Marshall (July 2, 1908 – January 24, 1993) was an American civil rights lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1967 until 1991. He was the Supreme Court's first African-A ...
, in which he argued that the Court in ''Schmerber'' intended to adopt a broad and liberal interpretation of the Fifth Amendment right against self-incrimination.


''Missouri v. McNeely'' and the exigent circumstances exception

Over time, a split of authority grew among lower courts with regard to whether the Fourth Amendment's exigent circumstances exception allowed officers to ''always'' conduct warrantless blood tests on individuals suspected of driving under the influence of alcohol because evidence of alcohol was being destroyed by the body's natural metabolic processes. States that recognized this ''
per se Per se may refer to: * ''per se'', a Latin phrase meaning "by itself" or "in itself". * Illegal ''per se'', the legal usage in criminal and antitrust law * Negligence ''per se'', legal use in tort law *Per Se (restaurant), a New York City restauran ...
'' exigency argued that " ce police arrest a suspect for drunk driving, each passing minute eliminates probative evidence of the crime." In 2012, the Court granted review in ''
Missouri v. McNeely ''Missouri v. McNeely'', 569 U.S. 141 (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 circumstan ...
'' to resolve this question. In a 5–4 opinion, the Court rejected the theory that the natural dissipation of blood alcohol constituted a ''per se'' exigency. Instead, the court affirmed the basic principle from ''Schmerber'' that absent "an emergency that justifie acting without a warrant," police may not conduct warrantless blood testing on suspects. Consequently, exigency in drunk driving cases "must be determined case by case based on the totality of the circumstances."


Analysis

Scholars have described ''Schmerber v. California'' as a
landmark case Landmark court decisions, in present-day common law legal systems, establish precedents that determine a significant new legal principle or concept, or otherwise substantially affect the interpretation of existing law. "Leading case" is commonly ...
and a "watershed moment" in the history of Fourth Amendment jurisprudence. Likewise, John D. Castiglione described the case as "seminal for its place in the annals of Fifth Amendment jurisprudence." Constitutional law scholar Akhil Reed Amar identified ''Schmerber'' as a turning point in the Fifth Amendment's "distinction between words and physical evidence." Anne Marie Schubert has also argued that ''Schmerber'' served as the genesis for a long line of Supreme Court cases ordering the compelled production of physical evidence. Because ''Schmerber'' foreclosed the use of warrantless blood tests in most circumstances, some scholars, including John A. Scanlan, argue that the Court's ruling was responsible for the proliferation of
breathalyzer A breathalyzer or breathalyser (a portmanteau of ''breath'' and ''analyzer/analyser'') is a device for estimating blood alcohol content (BAC), or to detect viruses or diseases from a breath sample. The name is a genericized trademark of the Br ...
s to test for alcohol and urine analysis to test for controlled substances in criminal investigations.


Immediate reaction

Soon after the Court's ruling, analysts predicted that the effects of the case would be "far-reaching." Some analysts feared the ruling would be used to justify "other intrusive searches." Other commentators also observed that the Court's holding in ''Schmerber'' seemed to "reverse direction" from the court's decision in ''
Miranda v. Arizona ''Miranda v. Arizona'', 384 U.S. 436 (1966), was a landmark decision of the U.S. Supreme Court in which the Court ruled that the Fifth Amendment to the U.S. Constitution restricts prosecutors from using a person's statements made in response to ...
'' one week earlier, where the Court enlarged protections against the police for criminal suspects. However, in his assessment of ''Schmerber'', Charles L. Berry praised the decision as a "successful effort to find a practical solution to the problem of the drinking motorist." Additionally, many
law journals A law review or law journal is a scholarly journal or publication that focuses on legal issues. A law review is a type of legal periodical. Law reviews are a source of research, imbedded with analyzed and referenced legal topics; they also pr ...
also offered commentary of the case's significance. For example, a November 1966 article in the ''
Harvard Law Review The ''Harvard Law Review'' is a law review published by an independent student group at Harvard Law School. According to the ''Journal Citation Reports'', the ''Harvard Law Review''s 2015 impact factor of 4.979 placed the journal first out of 143 ...
'' opined that Justice Brennan's majority opinion was "a good exposition of his view of the interrelationship between the fourth and fifth amendments," and a February 1967 article in the ''
Texas Law Review The ''Texas Law Review'' is a student-edited and -produced law review affiliated with the University of Texas School of Law (Austin). It ranks number 6 on Washington & Lee University's list, number 11 on Google Scholar's list of top publications i ...
'' argued that ''Schmerber'' "exemplifies the proposition that the fifth amendment is not absolute."


Impact

Some legal scholars have criticized the Court's ruling in Schmerber for infringing too far upon
civil liberty Civil liberties are guarantees and freedoms that governments commit not to abridge, either by constitution, legislation, or judicial interpretation, without due process. Though the scope of the term differs between countries, civil liberties may ...
and privacy. E. John Wherry, Jr., former Dean of the University of Orlando School of Law, wrote that " indly following ''Schmerber'' as authorization for all non-consensual blood seizure for forensic purposes is, in this day and age, an outrage." Writing for the ''Notre Dame Law Review'', Blake A. Bailey, Elaine M. Martin, and Jeffrey M. Thompson observed that although the Court limited the holding in ''Schmerber'' to the facts of the case, prior to ''Winston v. Lee'', many lower courts relied upon the ruling to order criminal defendants to undergo surgery to remove bullets that may have been evidence of a crime. Other scholars have expressed concern that the Court's decision to exclude physical evidence from protections against self-incrimination may one day lead to the use of mind reading devices when prosecuting criminal suspects. For example, the ''
Harvard Law Review The ''Harvard Law Review'' is a law review published by an independent student group at Harvard Law School. According to the ''Journal Citation Reports'', the ''Harvard Law Review''s 2015 impact factor of 4.979 placed the journal first out of 143 ...
'' suggested that the Court's decision may be used to justify monitoring brain waves. Additionally, in an article in the journal ''Developments in Mental Health Law'', Benjamin Holley suggested that "neurotechnological lie detection" could be used in criminal prosecutions, as long as a suspect's words are not "linked with the physical manifestations sought to be introduced at trial." Likewise, in an article in the ''Journal of Legal Medicine'', John G. New suggested that non-testimonial evidence gathered from
electroencephalography Electroencephalography (EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocorte ...
or
magnetic resonance imaging Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio wave ...
may be admissible to demonstrate a suspect's thoughts.John G. New, ''If You Could Read My Mind: Implications of Neurological Evidence for Twenty-First Century Criminal Jurisprudence'', 29 179, 197 (2008).


See also

*
List of United States Supreme Court cases, volume 384 This is a list of all the United States Supreme Court cases from volume 384 of the ''United States Reports The ''United States Reports'' () are the official record ( law reports) of the Supreme Court of the United States. They include rulings, ...
*
List of United States Supreme Court cases by the Warren Court This is a partial chronological list of cases decided by the United States Supreme Court during the Warren Court, the tenure of Chief Justice Earl Warren Earl Warren (March 19, 1891 – July 9, 1974) was an American attorney, politician, ...


Notes


References

The citations in this Article are written in
Bluebook ''The Bluebook: A Uniform System of Citation'' is a style guide that prescribes the most widely used legal citation system in the United States. It is taught and used at a majority of U.S. law schools and is also used in a majority of federal ...
style.


External links

* * {{US4thAmendment, warrantexceptions, state=expanded United States Supreme Court cases United States Supreme Court cases of the Warren Court United States Fourth Amendment case law United States Fifth Amendment self-incrimination case law 1966 in United States case law 1966 in California Legal history of California Medical lawsuits Blood tests