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SUPREME COURT OF ARIZONA En Banc THE STATE OF ARIZONA, ) ) Petitioner, ) ) v. ) ) HON. JANE A. BUTLER, JUDGE PRO ) TEMPORE OF THE SUPERIOR COURT OF ) THE STATE OF ARIZONA, in and for ) the County of Pima, ) ) Respondent Judge, ) ) TYLER B., ) ) Real Party in Interest. ) __________________________________) Arizona Supreme Court No. CV-12-0402-PR Court of Appeals Division Two No. 2 CA-SA 12-0065 Pima County Superior Court No. JV19004301 O P I N I O N Appeal from the Superior Court in Pima County The Honorable Jane A. Butler, Commissioner Pro Tem REMANDED ________________________________________________________________ Opinion of the Court of Appeals, Division Two 231 Ariz. 42, 290 P.3d 435 (2012) REVERSED ________________________________________________________________ BARBARA LAWALL, PIMA COUNTY ATTORNEY By Nicolette Kneup, Deputy County Attorney Attorneys for State of Arizona Tucson HERNANDEZ & ROBLES PC By Joshua F. Hamilton Attorneys for Tyler B. Tucson ARIZONA ATTORNEYS FOR CRIMINAL JUSTICE Chandler By David J. Euchner Attorneys for Amicus Curiae Arizona Attorneys for Criminal Justice NESCI & ST LOUIS PLLC Tucson By James Nesci Attorneys for Amicus Curiae National Defense of DUI Defense ACLU FOUNDATION OF ARIZONA By Daniel Pochoda Kelly J. Flood Phoenix And PERKINS COIE LLP By Jean-Jacques Cabou Thomas D. Ryerson Attorneys for Amicus Curiae ACLU Foundation of Arizona JUVENILE LAW CENTER By Lourdes M. Rosado Phoenix Philadelphia, PA And NUCCIO & SHIRLY Tucson By Jeanne Shirly Attorneys for Amici Curiae Juvenile Law Center, Center on Children and Families, Central Juvenile Defender Center, Children and Family Justice Center, The Children s Law Center Inc., Children & Youth Law Clinic, Civitas ChildLaw Center, Juvenile & Special Education Law Clinic/University of the District of Columbia, Juvenile Justice Project of Louisiana, Justice Policy Institute, National Association of Criminal Defense Lawyers, National Center for Youth Law, National Juvenile Defender Center, National Juvenile Justice Network, Northeast Juvenile Defender Center, Pacific Juvenile Defender Center, Public Defender Service for the District of Columbia, Rutgers School of Law Camden Children's Justice Clinic, Rutgers Urban Legal Clinic, San Francisco Office of the Public Defenders, University of Michigan Juvenile Justice Clinic, Neelum Arya, Tamara Birckhead, Susan L. Brooks, Michele Deitch, Jeffrey Fagan, Barbara Fedders, Barry Feld, Frank Furstenberg, Theresa Glennon, Martin Guggenheim, Kristin Henning, Randy Hertz, Paul Holland, Julie E. McConnell, James R. Merikangas, Wallace Mlyniec, Catherine J. Ross, Elizabeth Scott, Abbe Smith, and Barbara Bennett Woodhouse ________________________________________________________________ B A L E S, Vice Chief Justice ¶1 Arizona s implied consent statute, A.R.S. § 28-1321, 2 outlines how law enforcement officers can obtain consent to blood and breath tests from persons arrested for driving under the influence ( DUI ) and provides consequences for arrestees who refuse to submit to a test. address whether Constitution the Fourth requires that Against this backdrop, we Amendment a to juvenile the United arrestee s voluntary to allow a warrantless blood draw. States consent be We hold that it does and that the juvenile court properly ruled that evidence of a blood draw was inadmissible because the juvenile did not voluntarily consent. I. ¶2 On February 17, 2012, Tyler B., a sixteen-year-old high school student, and two friends arrived late to school. A school monitor smelled marijuana on the boys and also saw drug paraphernalia in Tyler s car. School officials detained the boys in separate rooms and contacted the sheriff s office. ¶3 A deputy warnings to Tyler. Tyler admitted smoking sheriff arrived and read Miranda In the presence of several school officials, that marijuana soon he and paraphernalia in the car. had driven that he his car owned to some school of the after drug The deputy informed Tyler that he was under arrest for DUI and other offenses. Tyler became agitated and the deputy placed him in handcuffs. The deputy left Tyler with the assistant principal for 3 about ten minutes while retrieving a phlebotomy kit to do a blood draw. ¶4 When the deputy returned to the room, he saw that Tyler had calmed down, so he removed the handcuffs from the youth. first He read Tyler an implied consent admonition twice, verbatim and then in plain English. The admonition provided in relevant part: Arizona law requires you to submit to and successfully complete tests of breath, blood or other bodily substance as chosen by the law enforcement officer to determine alcohol concentration or drug content. The law enforcement officer may require you to submit to two or more tests. You are required to successfully complete each of the tests. If the test results are not available . . . or indicate any drug defined in ARS 13-3401 or its metabolite, without a valid prescription, your Arizona driving privilege will be suspended for not less than 90 consecutive days. If you refuse to submit or do not successfully complete the specified tests, your Arizona driving privilege will be suspended for 12 months, or for two years if there is a prior implied consent refusal, within the last 84 months, on your record. You are, therefore, required to submit to the specified tests. Tyler agreed verbally and in writing to have his blood drawn, and the deputy drew two vials of Tyler s blood. ¶5 The State charged Tyler with DUI. Tyler moved to suppress evidence of the blood draw, arguing that his consent had not been voluntary and that, as a minor, he lacked the legal capacity to consent. The juvenile court granted the motion, finding that the blood draw violated Arizona s Parents Bill of 4 Rights ( PBR ), A.R.S. § 1-602, and, notwithstanding the PBR, that Tyler s consent had been involuntary under the totality of the circumstances. The court relied in part on In re Andre M., in which this Court recognized the increased susceptibility and vulnerability of juveniles in assessing whether a juvenile s confession was voluntary under the Fifth Amendment to the United States Constitution. 207 Ariz. 482, 485 ¶ 9, 88 P.3d 552, 555 (2004). ¶6 On the State s petition for special action relief, the court of appeals reversed the juvenile court s ruling. State v. Butler, 231 Ariz. 42, 45 ¶ 11, 290 P.3d 435, 438 (App. 2012). The court first held that the PBR did not apply because the deputy was acting within the scope of his official duties. at 44 ¶ 6, 290 P.3d at 437. It then held that the Id. Fifth Amendment did not apply because the blood was not testimonial evidence. Id. at 45 ¶ 10, 290 P.3d at 438. Stating that the informed consent statute presents no Fourth Amendment issue, the court of appeals held that the juvenile court abused its discretion in suppressing the blood draw evidence. Id. ¶ 10 n.6. ¶7 of We granted review because this case raises questions first impression jurisdiction under and Article statewide 6, Section Constitution and A.R.S. § 12-120.24. 5 importance. 5(3) of We have Arizona s II. ¶8 The people to Fourth be Amendment in secure provides, persons, their The right the papers, houses, of and effects, against unreasonable searches and seizures, shall not be violated . . . . U.S. Const. amend. IV. Evidence obtained in violation of the Fourth Amendment is properly suppressed. Mapp v. Ohio, 367 U.S. 643, 655 (1961). Trial court rulings on motions to suppress are reviewed for abuse of discretion. See State v. Hausner, 230 Ariz. 60, 70 ¶ 23, 280 P.3d 604, 614 (2012). hearing We consider the evidence presented at the suppression and view the facts in the sustaining the trial court s ruling. ¶9 light most favorable to Id. Tyler argues that a blood draw is a search subject to the Fourth Amendment and, to be valid, requires either a warrant or an exception such as voluntary consent. The State responds that every Arizona motorist gives implied consent under § 281321 and that tests administered under the statute subject to a Fourth Amendment voluntariness analysis. further argues that adult responsibilities, and differently adults from thus in privileges juveniles assessing should the are The State carry not not be adult treated voluntariness of consent to a blood draw. ¶10 Contrary to the State s argument, a compelled blood draw, even when administered pursuant to § 28-1321, is a search 6 subject to the Fourth Amendment s constraints. See Missouri v. McNeely, 133 S. Ct. 1552, 1556 (2013) (holding that a compelled blood draw taken pursuant to Missouri s implied consent law is subject to the Fourth Amendment s restrictions on warrantless searches). Such an invasion of bodily integrity implicates an individual s privacy. most personal and deep-rooted expectations of Id. at 1558 (quoting Winston v. Lee, 470 U.S. 753, 760 (1985)). ¶11 McNeely requiring also warrants forecloses for blood the draws State s will arguments unduly burden that law enforcement officials or render Arizona s implied consent law meaningless. In those drunk-driving investigations where police officers can reasonably obtain a warrant before a blood sample can be drawn without significantly undermining the efficacy of the search, the Fourth Amendment mandates that they do so. ¶12 Id. at 1561. In general, under the Fourth Amendment, warrantless searches are per se unreasonable . . . subject only to a few specifically established and well-delineated Arizona v. Gant, 556 U.S. 332, 338 (2009). exceptions. One such exception is exigent circumstances, but the State has not argued that this exception authorized the blood draw here. ¶13 Consent can also allow a warrantless search, provided the consent is voluntary. Schneckloth v. Bustamonte, 412 U.S. 7 218, 226-28 (1973). of the Voluntariness is assessed from the totality circumstances. Id. at 227. Relevant circumstances include the suspect s age and intelligence as well as the length of detention. ¶14 See id. at 226-27, 229. We reject the State s contention that age should be disregarded in assessing a juvenile s consent to a blood draw. In various contexts, the law recognizes a juvenile s age as a relevant consideration. See, e.g., Carolina, 131 2399, 2406 S. Ct. 2394, J.D.B. (2011) v. North (holding that child s age is relevant, although not necessarily determinative, in assessing whether a child is in custody); Roper v. Simmons, 543 U.S. 551, culpability of 571-73 (2005) juveniles (recognizing under 18 and the holding diminished that [t]he differences between juvenile and adult offenders are too marked and well understood to risk receive the death penalty ). allowing a youthful person to Juveniles tend to possess less maturity and are more vulnerable or susceptible to negative influences and outside pressures. Id. at 569-70. Courts should not blind themselves to this reality when assessing the voluntariness of consent to a blood draw. ¶15 Amendment Consent can be voluntary for purposes of the Fourth in circumstances that would voluntariness under the Fifth Amendment. not establish See Bustamonte, 412 U.S. at 234, 240 (holding that, although Miranda v. Arizona, 384 8 U.S. 436 (1966), requires an arrestee to be advised of right to remain silent in order for waiver to be valid, knowledge of right to withhold consent is just one voluntariness of a consent to search). factor in determining But, when the accused is a juvenile, factors such as age and the presence of parents are properly considered when assessing the voluntariness of consent to a search, just as they are voluntariness of a confession. relevant in assessing the Cf. In re Andre M., 207 Ariz. at 485 ¶ 11, 88 P.3d at 555 (noting in the Fifth Amendment context that parents can help ensure that a juvenile will not be intimidated, coerced or deceived ). ¶16 This Court has previously held that, for an officer to administer a test of breath or bodily fluids on an arrestee without express. 1245, a search warrant under § 28-1321, consent must be Carrillo v. Houser, 224 Ariz. 463, 463 ¶ 1, 232 P.3d 1245 (2010). Carrillo turned, however, on statutory grounds and did not address any constitutional issues. Id. at 467 ¶ 21, 232 P.3d at 1249. ¶17 The State unconvincingly argues that the consent in § 28-1321(A) either constitutes an exception to the warrant requirement or satisfies the Fourth Amendment s requirement that consent be voluntary. We explained previously that [t]he consent by motorists referenced in subsection (A) does not always authorize warrantless testing of arrestees. 9 Carrillo, 224 Ariz. at 465 ¶ 10, 232 P.3d at 1247. Rather, the officer is directed to ask the arrestee to submit to the test, and the arrestee may then refuse by declining to expressly agree to take the test. A.R.S. § 28-1321(B); Carrillo, 224 Ariz. at 465 ¶ 11, 232 at P.3d 1247. If the arrestee refuses, the statute specifies that a warrant is required to administer the test and the arrestee shall have his license suspended. A.R.S. § 28- 1321(D); Carrillo, 224 Ariz. at 465 ¶ 11, 232 P.3d at 1247. ¶18 We hold now that, independent of § 28-1321, the Fourth Amendment justify requires a an arrestee s warrantless blood consent draw. If to be the voluntary arrestee is to a juvenile, the youth s age and a parent s presence are relevant, though not necessarily determinative, factors that courts should consider in assessing whether consent was voluntary under the totality of the circumstances. ¶19 Voluntariness is a question of fact, Bustamonte, 412 U.S. at 248-49, and [w]e review the trial court's voluntariness finding for abuse of discretion, State v. Cota, 229 Ariz. 136, 144 ¶ 22, 272 P.3d 1027, 1035 (2012) (reviewing voluntariness of confession). The State has the burden of proving that consent to a search is freely and voluntarily given. Bumper v. North Carolina, 391 U.S. 543, 548-50 (1968). ¶20 Although hearing, sufficient Tyler did evidence not testify supports 10 at the the suppression juvenile court s finding that he did not voluntarily consent to the blood draw. At the time, Tyler was nearly seventeen and in eleventh grade. He had been delinquent. arrested once previously, but not adjudicated Tyler was detained for about two hours in a school room in the presence of school officials and a deputy. of his parents was present. visibly nervous. Neither Tyler initially was shaking and When he became loud and upset after being told he was being arrested, the deputy placed him in handcuffs until he calmed down. A second deputy sheriff arrived before the blood draw was taken. deputy read the After removing the handcuffs, the first implied consent admonition to Tyler, once verbatim and once in what the deputy termed plain English, concluding with the statement, You are, therefore, required to submit to the specified tests. Tyler then assented to the blood draw. ¶21 Viewing the facts in the light most favorable to sustaining the ruling below, we hold that the juvenile court did not abuse its discretion by ruling that Tyler s involuntary and granting the motion to suppress. consent was We decline to address Tyler s arguments that he lacked the legal capacity to consent and that the Arizona Constitution provides greater protection than the Fourth Amendment in this context. III. ¶22 We also decline to address Tyler s argument that the 11 blood draw must be suppressed because it violated the PBR. statute provides writing before that any parents record have of the a right minor to consent in blood or child s deoxyribonucleic acid is created, stored or shared. § 1-602(A)(8). The A.R.S. The PBR, however, concerns the rights of parents and does not purport to affect a juvenile s right to consent to a search. See id. § 1-602(A) (referencing parental rights ). Nor does the statute provide that evidence will be suppressed if the statute is violated. See id. § 1-602. Even if the blood draw was taken in violation of the rights of Tyler s parents (an issue we do not decide), Tyler would not have standing to argue that this violation evidence. required suppression of the blood draw Cf. Rakas v. Illinois, 439 U.S. 128, 133-34 (1978) (holding that person lacks standing to suppress evidence seized in violation of another s Fourth Amendment rights). IV. ¶23 For the foregoing reasons, we reverse the decision of the court of appeals and remand the case to the superior court for proceedings consistent with this opinion. __________________________________ Scott Bales, Vice Chief Justice CONCURRING: __________________________________ Rebecca White Berch, Chief Justice 12 __________________________________ Robert M. Brutinel, Justice __________________________________ Ann A. Scott Timmer, Justice P E L A N D E R, Justice, concurring ¶24 As a matter of statutory interpretation, we previously held that, absent a search warrant, Arizona s implied consent statute, A.R.S. § 28-1321, consent to a chemical test. requires an arrestee s express Carrillo v. Houser, 224 Ariz. 463, 463 ¶ 1, 232 P.3d 1245, 1245 (2010). The Court now holds that the Fourth Amendment also applies to a blood draw administered under the voluntary. statute and thus Supra ¶ 18. an arrestee s consent must be I have no quarrel with that holding, but reluctantly concur only because the parties acknowledge, and our case law indicates, that voluntariness determinations are reviewed for abuse of discretion. Under that standard of appellate review, I cannot say that the juvenile court erred in finding Tyler s consent involuntary when some evidence arguably supports an inference to that effect. Cf. State v. Chapple, 135 Ariz. 281, 297 n.18, 660 P.2d 1208, 1224 n.18 (1983) (A court abuses its discretion when the reasons given by the court for its action are clearly untenable, legally incorrect, or amount to a denial of justice. ). 13 ¶25 As the majority notes, voluntariness issues often are fact-intensive and circumstances. are assessed from the totality of the Supra ¶ 13 (citing Schneckloth v. Bustamonte, 412 U.S. 218, 227 (1973)). The majority correctly observes that we generally review rulings on motions to suppress evidence for an abuse of discretion, supra ¶¶ 8, 19, and finds no such abuse in the trial court s ruling, supra ¶ 21. I write separately to express concern with indiscriminately applying those principles and to suggest, discretion for review future might not purposes be only, appropriate that in abuse-of- cases such as this. ¶26 Only the deputy sheriff and Tyler s father testified at the suppression hearing in this case. Significantly, the pertinent facts are undisputed and the juvenile court s ruling is not based on witness credibility, weighing of conflicting evidence, court s or discretionary ultimate ruling determinations. on voluntariness Accordingly, could, and the arguably should, be deemed a mixed question of fact and law subject to our de novo review. That approach, although admittedly conflicting with extant Arizona case law, would be consistent with our approach in constitutional issues. other criminal-case contexts involving See State v. Moore, 222 Ariz. 1, 7 ¶ 17, 213 P.3d 150, 156 (2009) (noting that, although we review trial court rulings on pretrial identifications 14 for abuse of discretion and defer to factual findings supported by the record, the ultimate question of constitutionality is a mixed question of law and fact subject to our de novo review); State v. Gonzalez-Gutierrez, 187 Ariz. 116, 118, 927 P.2d 776, 778 (1996) (applying same principles to question of whether sufficient legal basis existed for vehicular stop); State v. Blackmore, 186 Ariz. 630, 632, 925 P.2d 1347, 1349 (1996) (same regarding question of whether an arrest was illegal); State v. Rogers, 186 Ariz. 508, 510, 924 P.2d 1027, 1029 (1996) (same regarding question of whether there was reasonable suspicion for an investigatory stop of a pedestrian). ¶27 Recently, the Vermont Supreme Court thoroughly expounded on the appropriate standard of appellate review for voluntariness-of-consent issues. (Vt. 2011). State v. Weisler, 35 A.3d 970 An appellate court, of course, appropriately defers to the trial court s underlying findings of historical fact as a fundamental principle of appellate review. Id. at 976, 985; see also Chapple, 135 Ariz. at 297 n.18, 660 P.2d at 1224 n.18. But as the Vermont court observed, Schneckloth did not address the subject of appellate review, and [s]imply labeling consent to search as a question of fact to be determined from the totality of the circumstances at the trial court level does little to advance the standard-of-review analysis. A.3d at 977. Weisler, 35 Noting that appellate courts have traditionally 15 reviewed and resolved independently the question of voluntariness in order to guide police, unify precedent, and stabilize the law, id. at 985 (quoting Thompson v. Keohane, 516 U.S. 99, 115 (1995)), the Weisler court held that a trial court s decision on the question of the voluntariness of a consent to search, and thus the ultimate constitutional validity of the search, must be reviewed independently . . . on appeal, id. at 983. ¶28 Vermont is not alone. approach. Other courts also follow this See, e.g., United States v. Lewis, 921 F.2d 1294, 1301 (D.C. Cir. 1990) (conducting de novo review of a trial court s finding of involuntary consent when facts were uncontested and government presented uncontroverted evidence on that issue); United States v. Garcia, 890 F.2d 355, 359 60 (11th Cir. 1989) (same); State v. $217,590.00 in U.S. Currency, 18 S.W.3d 631, 633 (Tex. 2000) (assessing whether the trial court s factual findings demonstrate voluntariness under the totality of the circumstances is a question of law); State v. Hansen, 63 P.3d 650, 663 (Utah 2002) ( While consent is a factual finding, voluntariness is a legal conclusion, which is reviewed for correctness. ); State v. Phillips, 577 N.W.2d 794, 800 (Wis. 1998) (rejecting proposition that the standard of appellate review turn[s] on whether the underlying determination of the [trial] court was fact-specific ); see also Weisler, 35 A.3d at 16 976, 980 (collecting cases). ¶29 The analyses of those courts would support de novo review of rulings on whether an arrestee s consent to search was voluntary or involuntary, at least when, as here, the underlying facts are undisputed and the trial court s ruling is not based on conflicting evidence or credibility determinations. This Court has not yet engaged in the type of nuanced explication found in cases such as Weisler on the appropriate standard of appellate review for Fourth Amendment voluntariness rulings. This, however, is not the case in which we should do so. The parties have not raised or argued any issues relating to the standard of review, but rather concede that abuse-of-discretion review applies. Accordingly, the Court appropriately applies that standard in deciding this particular case. ¶30 Stating that voluntariness determinations are fact- intensive inquiries, based on the totality of circumstances, and subject to abuse-of-discretion review, directly answer the ultimate question: standard for establishing valid, however, does not What is the test or voluntary consent to a warrantless search under the Fourth Amendment? Generally, to be voluntary, by [c]onsent must not be coerced, explicit implicit means, by implied threat or covert force. or State v. Guillen, 223 Ariz. 314, 317 ¶ 11, 223 P.3d 658, 661 (2010) (quoting Schneckloth, 412 U.S. at 228). 17 Consent to search is voluntary if it is unconstrained choice circumstances which the by product its overbear of an maker, the essentially and not consenting the free and result of will and party s critically impair his or her capacity for self-determination. People v. Magallanes-Aragon, 948 P.2d 528, (quoting Schneckloth, 412 U.S. at 225). 530 (Colo. 1997) Stated differently, before a court may conclude that consent was voluntarily given, it must find no objective evidence of coercion, duress, deception, promises, threats, intrusive conduct or other undue influence by the police, defendant s judgment. essential which critically impaired the Id. at 531; see also id. at 533 ( The consideration in determining voluntariness of a consent to search is the impact of overbearing, coercive, or deceptive police conduct on a person with the knowledge and particular characteristics of the defendant. ). ¶31 Applying those standards, only with some difficulty do I agree with the majority that the juvenile court did not abuse its discretion in finding Tyler s consent was involuntary. Cf. Chapple, 135 Ariz. at 297 n.18, 660 P.2d at 1224 n.18 (When trial court determinations hinge not on conflicting procedural, factual or equitable considerations, but rather are made on undisputed facts, resolution of the question is one of law or logic, obligating us to look over the shoulder of the trial judge and, if appropriate, substitute our judgment for his or 18 hers. ). But based on the uncontroverted facts in this case, were de novo review applicable here, I would readily conclude that the State met its burden of proving by a preponderance of the evidence that Tyler s consent to the warrantless blood draw was voluntary Amendment. and and, therefore, complied with the Fourth See Ariz. R. Crim. P. 16.2(b) (prescribing burden standard of proof on whether evidence was lawfully obtained). ¶32 The majority appropriately recites certain facts to support the conclusion that the juvenile court did not abuse its discretion in finding Tyler s consent involuntary. 4, 20. other Supra ¶¶ 2 The totality of the circumstances, however, includes undisputed facts indicating that Tyler s verbal and written consent to the blood draw was indeed voluntary and not obtained by conduct. belaboring any overbearing, coercive, Magallanes-Aragon, all those facts, 948 suffice or P.2d it deceptive at to 533. say that police Without had the juvenile court found Tyler s consent voluntary, I would have had no difficulty affirming that ruling, and I doubt my colleagues would have either. an But, as noted above, I cannot conclude under abuse-of-discretion standard of review that the juvenile court erred and, therefore, join in the Court s opinion. ¶33 In addition, In re Andre M., on which the juvenile court relied, is materially distinguishable. 19 Unlike this case, In re Andre M. involved issues of voluntariness under the Fifth Amendment s self-incrimination clause and was heavily influenced by the absence of a parent who attempted to attend the [minor s] interrogation but was prevented from doing so by the police officers. (2004). 207 Ariz. 482, 485 ¶ 12, 88 P.3d 552, 555 Here, Tyler and his father (who had been contacted by the school, came there, and waited in the lobby) never asked to see or speak with each other, and the deputy was not informed until after the blood draw that a parent was present at the school. Once he learned of that, the deputy spoke with the parents, who understood the reasons for Tyler s arrest and had no questions. ¶34 It is also clear from its ruling that the juvenile court deemed very significant the alleged Parents Bill of Rights, A.R.S. § 1-602. correctly rejects suppression. ¶35 and as an the The majority, however, appropriate basis for I understand necessarily, that Fourth ordering entail Amendment case-by-case, intensive, totality of the circumstances analyses. McNeely, 133 S. Ct. 1552, 1564 (2013). our of Supra ¶ 22. Finally, usually, that violation criminal-case jurisprudence should issues fact- Missouri v. But a core objective of be to guide future decisions as well as to guide police, unify precedent, and stabilize the law. Weisler, 35 A.3d at 979 (quoting Thompson, 20 516 U.S. at 114 15). In that regard, I have concerns similar to those recently expressed by Chief Justice Roberts in McNeely: A police officer reading this Court s opinion would have no idea no idea what the Fourth Amendment requires of him, once he decides to obtain a blood sample from, in this case, a juvenile DUI arrestee to ensure that the juvenile s consent to a blood draw is voluntary. 133 S. Ct. at 1569 (Roberts, C.J., concurring in part and dissenting in part). The majority here says that [i]f the arrestee is a juvenile, the youth s age and a parent s presence are relevant, though not necessarily determinative, factors that courts should consider in assessing whether consent circumstances. juveniles was Supra ¶ 18. relative interactions voluntary with the the totality of the The Court also refers generally to immaturity, deputy states during the arrest. ¶36 under and and specifically his to fluctuating Tyler s emotional Supra ¶¶ 14, 20. But faced with the not uncommon scenario presented in this case, a reasonable officer, before drawing blood pursuant to the juvenile s ostensibly valid consent, surely will now wonder whether he or she must first take steps to have a parent notified and present, and inquire about the juvenile s maturity, general comprehension juvenile s consent levels, later and be emotional deemed status, involuntary. lest the Those individualized, unpredictable variables afford little guidance 21 and certainty to law enforcement officers, school administrators, parents, minor drivers, or juvenile courts. Nor does such unpredictability advance the overarching purpose of the implied consent law to remove from the highways of this state drivers[, including juvenile motorists,] who are a menace to themselves and to others because they operate a motor vehicle while under the influence of intoxicating liquor or drugs. Campbell v. Superior Court, 106 Ariz. 542, 546, 479 P.2d 685, 689 (1971); see also Carrillo, 224 Ariz. at 465 ¶ 13, 232 P.3d at 1247; cf. State v. Randy J., 265 P.3d 734, 742 (N.M. Ct. App. 2011) (holding that state s implied consent law applies to any person, including juveniles, who drives a vehicle in the state). ¶37 Possibly compounding the problem, our opinion today might well engender dubious involuntariness claims and related suppression hearings aimed at excluding evidence derived from chemical testing of impaired drivers whose express consent was ostensibly voluntary and valid under Arizona s implied consent law. Such challenges can be made by defendants who, because they submitted to testing, retain their driving privileges in the interim. Audio or video recording of a suspect s consent might be a solution. But in view of the various contingencies and uncertainties surrounding determinations by officers in the field (and subsequently by courts) on whether express consent of DUI arrestees (particularly juveniles) is voluntary, the safest 22 course of action for law enforcement might simply be to obtain search warrants, when reasonably feasible, for obtaining blood samples in DUI investigations. 28-1321(D)(1). That See A.R.S. §§ 13-3914, -3915, default approach, although arguably diluting the effectiveness of the implied consent law, and not constitutionally required under McNeely (which neither involved nor discounted consent as a valid exception to the Fourth Amendment s warrant requirement), would certainly comport with the Fourth Amendment and alleviate many potential, foreseeable problems in this area. __________________________________ John Pelander, Justice 23