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186 Wisconsin opinions name it 2 courts 1971–2026 35 in the last five years
The cases below were cited by Wisconsin courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.
| Case | Followed | Cited |
|---|---|---|
Whren v. United Statesgreen2 sentences2020See Whren v. United States, 517 U.S. 806, 812-13 (1996) ("Not only have we never held, outside the context of inventory search or administrative inspection . . . , that an officer's motive invalidates objectively justifiable behavior under the Fourth Amendment; but we have repeatedly held and asserted the contrary."; "[Our] cases foreclose any argument that the constitutional reasonableness of traffic stops depends on the actual motivations of the individual officers involved."; "Subjective intentions play no role in ordinary, probable-cause Fourth Amendment analysis."). 6 The testimony differ 2020See Whren v. United States, 517 U.S. 806, 812-13 (1996) ("Not only have we never held, outside the context of inventory search or administrative inspection . . . , that an officer's motive invalidates objectively justifiable behavior under the Fourth Amendment; but we have repeatedly held and asserted the contrary."; "[Our] cases foreclose any argument that the constitutional reasonableness of traffic stops depends on the actual motivations of the individual officers involved."; "Subjective intentions play no role in ordinary, probable-cause Fourth Amendment analysis."). 6 The testimony differ | 5 | 7 |
Herring v. United Statesgreen2 sentences2025However, there are several exceptions to the application of the 28 exclusionary rule, and “[t]he fact that a Fourth Amendment violation occurred … does not necessarily mean that the exclusionary rule applies.” Herring v. United States, 555 U.S. 135, 140 (2009). ¶58 Here, the State argues that the “good-faith” exception to the exclusionary rule applies. 2025However, there are several exceptions to the application of the 28 exclusionary rule, and “[t]he fact that a Fourth Amendment violation occurred … does not necessarily mean that the exclusionary rule applies.” Herring v. United States, 555 U.S. 135, 140 (2009). ¶58 Here, the State argues that the “good-faith” exception to the exclusionary rule applies. | 4 | 7 |
Brown v. Illinoisgreen2 sentences2024Evidence obtained following an unlawful search or seizure will be suppressed as the fruit of a Fourth Amendment violation, unless the evidence is sufficiently “attenuated” from the illegal police activity.6 Brown v. Illinois, 422 U.S. 590 (1975). 2024Evidence obtained following an unlawful search or seizure will be suppressed as the fruit of a Fourth Amendment violation, unless the evidence is sufficiently “attenuated” from the illegal police activity.6 Brown v. Illinois, 422 U.S. 590 (1975). | 4 | 7 |
United States v. Jonesgreen2 sentences2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). | 4 | 5 |
Immigration & Naturalization Service v. Delgadogreen2 sentences2021Law enforcement officers may approach citizens on the street, put questions to them, and ask for identification without implicating the Fourth Amendment "as long as the police do not convey a message that compliance with their request is required." Florida v. Bostick, 501 U.S. 429, 434 (1991); see also INS v. Delgado, 466 U.S. 210, 216 (1984) ("[P]olice 12 questioning, by itself, is unlikely to result in a Fourth Amendment violation. 2021Law enforcement officers may approach citizens on the street, put questions to them, and ask for identification without implicating the Fourth Amendment "as long as the police do not convey a message that compliance with their request is required." Florida v. Bostick, 501 U.S. 429, 434 (1991); see also INS v. Delgado, 466 U.S. 210, 216 (1984) ("[P]olice 12 questioning, by itself, is unlikely to result in a Fourth Amendment violation. | 3 | 7 |
Payton v. New Yorkgreen2 sentences2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s 2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s | 3 | 4 |
Wong Sun v. United Statesgreen2 sentences2008Wong Sun v. United States, 371 U.S. 471, 484-86 (1963). 1998Accordingly, it is irrelevant to our limited Fourth Amendment inquiry whether the agents in this case read to the defendant the Miranda rights. [11] Compare Dunaway v. New York, 442 U.S. 200, 202 (1979) (assessing police action where officers illegally arrested suspect and took him to police station for in-custody interrogation), Brown, 422 U.S. at 593-94 (assessing police action where officers broke into suspect's apartment, illegally arrested suspect, held him at gun-point and took him into custody for interrogation), and Wong Sun v. United States, 371 U.S. 471, 475 (1963) (assessing police | 3 | 4 |
Mincey v. Arizonagreen2 sentences1979I, sec. 11, Wis. Const.: “The right of the people to be secure in their persons, houses, papers, and effects against unreasonable searches and seizures shall not be violated; and no warrant shall issue but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched and the persons or things to be seized.” 5 Officer Nelson testified that the phrase “secure a crime scene” “means preventing anyone from leaving and preserving it to the best of my ability, any physical evidence on the scene.” Officer Gordon testified that an “evidence technician” is a 1979I, sec. 11, Wis. Const.: “The right of the people to be secure in their persons, houses, papers, and effects against unreasonable searches and seizures shall not be violated; and no warrant shall issue but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched and the persons or things to be seized.” 5 Officer Nelson testified that the phrase “secure a crime scene” “means preventing anyone from leaving and preserving it to the best of my ability, any physical evidence on the scene.” Officer Gordon testified that an “evidence technician” is a | 3 | 4 |
Schneckloth v. Bustamontegreen2 sentences2017Illinois v. Rodriguez, 497 U.S. 177, 181 (1990) (explaining that although the Fourth Amendment generally prohibits warrantless searches, "[t]he prohibition does not apply ... to situations in which voluntary consent has been obtained . ..."); see also Schneckloth, 412 U.S. at 219 ("It is equally well settled that one of the specifically established exceptions to the requirements of both a warrant and probable cause is a search that is conducted pursuant to consent."); United States v. Strickland, 902 F.2d 937, 941 (11th Cir. 1990) ("When an individual gives a general statement of consent witho 2014While most citizens will respond to a police request, the fact that people do so, and do so without being told they are free not to respond, hardly eliminates the consensual nature of the response." Delgado, 466 U.S. at 216 (citing Schneckloth v. Bustamonte, 412 U.S. 218, 231-34 (1973)). | 3 | 3 |
Brigham City v. Stuartgreen2 sentences2023This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing [State v. Boggess, 115 Wis. 2d 443, 450 , 340 N.W.2d 516 (1983)]); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). 2021This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing Boggess, 115 Wis. 2d at 450 ); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). | 2 | 5 |
State v. Boggessgreen2 sentences2023This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing [State v. Boggess, 115 Wis. 2d 443, 450 , 340 N.W.2d 516 (1983)]); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). 2023This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing [State v. Boggess, 115 Wis. 2d 443, 450 , 340 N.W.2d 516 (1983)]); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). | 2 | 5 |
State v. Ariasgreen2 sentences2020Nevertheless, this opinion’s Fourth Amendment analysis relies on precedent in effect at the time of the 2014 suppression proceedings. 6 further seizure is beyond the scope of the initial stop.” State v. House, 2013 WI App 111, ¶6 , 350 Wis. 2d 478 , 837 N.W.2d 645 (citing Arias, 311 Wis. 2d 358, ¶32 ). 2020Nevertheless, this opinion’s Fourth Amendment analysis relies on precedent in effect at the time of the 2014 suppression proceedings. 6 further seizure is beyond the scope of the initial stop.” State v. House, 2013 WI App 111, ¶6 , 350 Wis. 2d 478 , 837 N.W.2d 645 (citing Arias, 311 Wis. 2d 358, ¶32 ). | 2 | 5 |
State v. Kenneth M. Sobczakgreen2 sentences2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s 2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s | 2 | 5 |
Katz v. United Statesgreen2 sentences2012But "[t]he premise that property interests control the right of the Government to search and seize has been discredited." Id. at 352-53 (citations omitted). 2012These critical passages are frequently overlooked because of Justice Stewart's oft-quoted aphorism that "the Fourth Amendment protects people, not places," id. at 351 , and his critique of property interests as the basis for certain Fourth Amendment protections: It is true that the absence of. . . penetration was at one time thought to foreclose further Fourth Amendment inquiry for that Amendment was thought to limit only searches and seizures of tangible property. | 2 | 4 |
State v. Andersongreen2 sentences2008See State v. Anderson, 165 Wis. 2d 441, 447 , 477 N.W.2d 277 (1991). ¶ 24. 2008See State v. Anderson, 165 Wis. 2d 441, 447 , 477 N.W.2d 277 (1991). ¶ 24. | 2 | 4 |
Birchfield v. N. Dakota. William Robert Bernardgreen2 sentences2026Id. at 477 . ¶17 The Birchfield Court stressed that the Fourth Amendment prohibits “unreasonable searches” and, as such, the relevant question is whether a warrantless blood draw is reasonable, since “reasonableness is always the touchstone of Fourth Amendment analysis.” Id. at 455, 477 . “[A]pplying this standard,” the Court concluded “that motorists cannot be deemed to have consented to submit to a blood test on pain of committing a criminal offense.” Id. at 477 . 2026Id. at 477 . ¶17 The Birchfield Court stressed that the Fourth Amendment prohibits “unreasonable searches” and, as such, the relevant question is whether a warrantless blood draw is reasonable, since “reasonableness is always the touchstone of Fourth Amendment analysis.” Id. at 455, 477 . “[A]pplying this standard,” the Court concluded “that motorists cannot be deemed to have consented to submit to a blood test on pain of committing a criminal offense.” Id. at 477 . | 2 | 3 |
State v. Phillipsgreen2 sentences2026In its written decision, the circuit court nevertheless stated that the consent form “is clear on its face and specifically indicates that … the Defendant had been informed it was his constitutional right, ‘not to have a search made of the premises and the property owned by me or under my care, custody, and control without a search warrant.’” We agree with Ursulean that because the consent form “is not in evidence and it is not clear what the form contained,” the State should not be able to rely on the form or the circuit court’s findings as to its contents to meet its burden to show that Ursu 2026In its written decision, the circuit court nevertheless stated that the consent form “is clear on its face and specifically indicates that … the Defendant had been informed it was his constitutional right, ‘not to have a search made of the premises and the property owned by me or under my care, custody, and control without a search warrant.’” We agree with Ursulean that because the consent form “is not in evidence and it is not clear what the form contained,” the State should not be able to rely on the form or the circuit court’s findings as to its contents to meet its burden to show that Ursu | 2 | 3 |
State v. Felixgreen2 sentences2024The court summarized the Harris rule as follows: “[W]here the Fourth Amendment violation is an unlawful arrest without a warrant, in violation of Payton, but with probable cause, evidence obtained from the defendant outside of the home is admissible because it is not ‘the product of illegal governmental activity.’” Felix, 339 Wis. 2d 670, ¶1 (quoted source omitted). 2024The court summarized the Harris rule as follows: “[W]here the Fourth Amendment violation is an unlawful arrest without a warrant, in violation of Payton, but with probable cause, evidence obtained from the defendant outside of the home is admissible because it is not ‘the product of illegal governmental activity.’” Felix, 339 Wis. 2d 670, ¶1 (quoted source omitted). | 2 | 3 |
United States v. Mendenhallgreen2 sentences2014Mendenhall, 446 U.S. at 555 (stating that "inoffensive contact between a 12 No. 2012AP1812 member of the public and the police cannot, as a matter of law, amount to a seizure of that person"). ¶24 The Supreme Court provided further guidance in Delgado, when it stated that "police questioning, by itself, is unlikely to result in a Fourth Amendment violation. 2014Mendenhall, 446 U.S. at 555 (stating that "inoffensive contact between a 12 No. 2012AP1812 member of the public and the police cannot, as a matter of law, amount to a seizure of that person"). ¶24 The Supreme Court provided further guidance in Delgado, when it stated that "police questioning, by itself, is unlikely to result in a Fourth Amendment violation. | 2 | 3 |
| United States v. Knottsgreen | 2 | 3 |
| Griffin v. Wisconsingreen | 2 | 3 |
| Rakas v. Illinoisgreen | 2 | 3 |
| State v. Laverne Ware, Jr.green | 2 | 2 |
| Kimmelman v. Morrisongreen | 2 | 2 |
| Caniglia v. Stromgreen | 2 | 2 |
| State v. Mabragreen | 2 | 2 |
| State v. Christopher John Kerrgreen | 2 | 2 |
| Delaware v. Prousegreen | 2 | 2 |
| Minnesota v. Olsongreen | 2 | 2 |
| Illinois v. Rodriguezgreen | 2 | 2 |
| Maryland v. Kinggreen | 2 | 2 |
| State v. Griffingreen | 2 | 2 |
| United States v. Karogreen | 2 | 2 |
| Florida v. Jardinesgreen | 2 | 2 |
| State v. Matejkagreen | 2 | 2 |
| Terry v. Ohiogreen | 2 | 2 |
| Smith v. Marylandred | 2 | 2 |
| Dunaway v. New Yorkgreen | 2 | 2 |
| Skinner v. Railway Labor Executives' Assn.green | 2 | 2 |
| Lewis L. Wayne v. United Statesgreen | 2 | 2 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Wisconsin. Read the followed side critically anyway. | ||
| Case | Cited | Years |
|---|---|---|
State v. Dearborn
green
2 sentences2021Accordingly, Betterley does not inform the Fourth Amendment analysis governing searches of cell phone data. ¶62 Even if "a Fourth Amendment violation has occurred," however, it "does not mean the exclusionary rule applies," particularly because "exclusion [of evidence] is the last resort." State v. Dearborn, 2010 WI 84, ¶35 , 327 Wis. 2d 252 , 786 N.W.2d 97 . 2021Accordingly, Betterley does not inform the Fourth Amendment analysis governing searches of cell phone data. ¶62 Even if "a Fourth Amendment violation has occurred," however, it "does not mean the exclusionary rule applies," particularly because "exclusion [of evidence] is the last resort." State v. Dearborn, 2010 WI 84, ¶35 , 327 Wis. 2d 252 , 786 N.W.2d 97 . | 5 | 2014–2021 |
State v. Pires
green
2 sentences2023This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing [State v. Boggess, 115 Wis. 2d 443, 450 , 340 N.W.2d 516 (1983)]); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). 2021This exception states that the Fourth Amendment does not bar a government official from making a warrantless intrusion “when the official reasonably believes that a person is in need of immediate aid or assistance.” Id. (citing Boggess, 115 Wis. 2d at 450 ); see also Brigham City, Utah v. Stuart, 547 U.S. 398, 403 (2006) (“[L]aw enforcement officers may enter a residence without a warrant to render emergency assistance to an injured occupant or to protect an occupant from imminent injury.”). | 4 | 2000–2023 |
State v. Carroll
green
2 sentences2014State v. Carroll, 2010 WI 8, ¶16 , 322 Wis. 2d 299 , 778 N.W.2d 1 ("[W]e assess the legality under the Fourth Amendment of each warrantless search or seizure that produced the evidence.").2 2 This framework is applicable even though a different Fourth Amendment standard applies to searches of probationers in Wisconsin. 2014State v. Carroll, 2010 WI 8, ¶16 , 322 Wis. 2d 299 , 778 N.W.2d 1 ("[W]e assess the legality under the Fourth Amendment of each warrantless search or seizure that produced the evidence.").2 2 This framework is applicable even though a different Fourth Amendment standard applies to searches of probationers in Wisconsin. | 4 | 2013–2022 |
State v. Courtney C. Brown
green
2 sentences2020State v. Smith, 2018 WI 2 , ¶9, 379 Wis. 2d 86 , 905 N.W.2d 353 (citing State v. Floyd, 2017 WI 78, ¶11 , 377 Wis. 2d 394 , 898 N.W.2d 560 ). 2020State v. Smith, 2018 WI 2 , ¶9, 379 Wis. 2d 86 , 905 N.W.2d 353 (citing State v. Floyd, 2017 WI 78, ¶11 , 377 Wis. 2d 394 , 898 N.W.2d 560 ). | 3 | 2020–2020 |
State v. Padley
green
2 sentences2019Id., ¶17. ¶5 “A blood draw conducted at the direction of the police is a search subject to the Fourth Amendment requirement that all searches must be reasonable.” State v. Padley, 2014 WI App 65, ¶23 , 354 Wis. 2d 545 , 849 N.W.2d 867 . 2019Id., ¶17. ¶5 “A blood draw conducted at the direction of the police is a search subject to the Fourth Amendment requirement that all searches must be reasonable.” State v. Padley, 2014 WI App 65, ¶23 , 354 Wis. 2d 545 , 849 N.W.2d 867 . | 3 | 2018–2019 |
Boyd v. United States
red
2 sentences2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s 2017United States v. Jones, 565 U.S. 400, 411 ("we do not make trespass the exclusive test" for identifying a Fourth Amendment violation). 16 "It has long been established that the Fourth Amendment places the greatest protection around the home, as it was drafted in part to codify 'the overriding respect for the sanctity of the home that has been embedded in our traditions since the origins of the Republic.'" State v. Sobczak, 2013 WI 52, ¶11 , 347 Wis. 2d 724 , 833 N.W.2d 59 (quoting Payton v. New York, 445 U.S. 573, 601 (1980)). 20 No. 2015AP1523 then recent history of the controversies on the s | 3 | 2017–2017 |
Lane v. Wilson
green
2 sentences2017The Court observed that, in contemplating his litigation strategy, "Garret was obliged either to give up what he believed, with advice of counsel, to be a valid Fourth Amendment claim or, in legal effect, to waive his Fifth Amendment privilege against self-incrimination." Id. at 394 . 2017The Court observed that, in contemplating his litigation strategy, "Garret was obliged either to give up what he believed, with advice of counsel, to be a valid Fourth Amendment claim or, in legal effect, to waive his Fifth Amendment privilege against self-incrimination." Id. at 394 . | 3 | 2017–2017 |
Camara v. Municipal Court of City and County of San Francisco
green
2 sentences2017Leasing Corp., 429 U.S. at 358 (quoting Camara, 387 U.S. at 528-29 ). 2017Leasing Corp., 429 U.S. at 358 (quoting Camara, 387 U.S. at 528-29 ). | 3 | 2017–2017 |
| G. M. Leasing Corp. v. United States green | 3 | 2017–2017 |
| State v. Brett W. Dumstrey green | 3 | 2016–2016 |
| Davis v. United States green | 3 | 2014–2015 |
| State v. Sveum green | 2 | 2023–2025 |
| State v. Ferguson green | 2 | 2014–2025 |
| State v. Bruski green | 2 | 2014–2023 |
| State v. Lewis O. Floyd, Jr. green | 2 | 2020–2020 |
| State v. Eskridge green | 2 | 2008–2019 |
| State v. Patrick I. Hogan green | 2 | 2017–2017 |
| Simmons v. United States green | 2 | 1988–2017 |
| United States v. Janis green | 2 | 2001–2010 |
| Richards v. Wisconsin green | 2 | 1998–2000 |
| United States v. Henry Reddick green | 1 | 2026–2026 |
| State v. Scott W. Forrett green | 1 | 2026–2026 |
| United States v. Luke Wilson green | 1 | 2026–2026 |
Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.
Opinions by the citing court's state. A doctrine retained in one state and abandoned in another shows up here as a year span that stalls.