attenuation doctrine (New York) · Go Syfert
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attenuation doctrine in New York

34 New York opinions name it 4 courts 1978–2026 7 in the last five years

The cases below were cited by New York 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.

Followed or applied (37)

CaseFollowedCited
People v. Bradfordgreen
ny · 2010 · cited in 10 New York opinions naming this issue, 2013–2025
2 sentences

2025"The attenuation doctrine requires a court to consider 'the temporal proximity of the arrest and the confession, the presence of intervening circumstances and, particularly, the purpose and flagrancy of the official misconduct' application of the attenuation doctrine is a mixed question of law and fact" ( People v. Bradford , 15 NY3d 329, 333 [2010]).

2025"The attenuation doctrine requires a court to consider 'the temporal proximity of the arrest and the confession, the presence of intervening circumstances and, particularly, the purpose and flagrancy of the official misconduct' application of the attenuation doctrine is a mixed question of law and fact" ( People v. Bradford , 15 NY3d 329, 333 [2010]).

710
Brown v. Illinoisgreen
scotus · 1975 · cited in 8 New York opinions naming this issue, 1979–2017
2 sentences

2013As the majority correctly notes, in applying the attenuation doctrine, courts must consider the “temporal proximity” between the arrest and the discovery of the challenged evidence, “the presence of intervening circumstances, and, particularly, the purpose and flagrancy of the official misconduct” (Brown v Illinois, 422 US 590, 603-604 [1975] [citation omitted]; People v Bradford, 15 NY3d 329, 333 [2010]).

2010The attenuation doctrine requires a court to consider “the temporal proximity of the arrest and the confession, the presence of intervening circumstances and, particularly, the purpose and flagrancy of the official misconduct” (id.; see Brown v Illinois, 422 US 590, 603-604 [1975]).

68
People v. Conyersgreen
ny · 1986 · cited in 7 New York opinions naming this issue, 2004–2026
2 sentences

2026The majority's attenuation analysis is mistaken, but even accepting its flawed logic, the proper course would be to review the attenuation finding for record support ( see People v Conyers , 68 NY2d 982, 984 [1986]).

2026The majority's attenuation analysis is mistaken, but even accepting its flawed logic, the proper course would be to review the attenuation finding for record support ( see People v Conyers , 68 NY2d 982, 984 [1986]).

57
People v. Borgesgreen
ny · 1987 · cited in 6 New York opinions naming this issue, 2004–2026
2 sentences

2026The majority understandably takes issue with the Appellate Division's citation to People v Borges (69 NY2d 1031 [1987]), and the factors relevant to an attenuation analysis when discussing voluntariness (majority op at 16).

2026Footnote 5: Borges explained that voluntariness is an important but not dispositive factor in the attenuation analysis, and went on to discuss "a variety of factors" that should also be considered, including "the temporal proximity of the consent to the arrest, the presence or absence of intervening circumstances, whether the police purpose underlying the illegality was to obtain the consent or the fruits of the search, whether the consent was volunteered or requested, whether the [person] was aware [they] could decline to consent, and particularly, the purpose and flagrancy of the official mi

56
Segura v. United Statesgreen
scotus · 1984 · cited in 6 New York opinions naming this issue, 2004–2025
2 sentences

2025"Under the attenuation exception to the exclusionary rule, '[t]he question to be resolved when it is claimed that evidence subsequently obtained is 'tainted' or is 'fruit' of a prior illegality is whether the challenged evidence was [obtained] 'by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint'" ( People v Johnson , 79 AD3d 905, 906 [internal quotation marks omitted], quoting Segura v United States , 468 US 796, 804-805 ; see People v Contreras , 194 AD3d 835, 837 ).

2021"Under the attenuation exception to the exclusionary rule, '[t]he question to be resolved when it is claimed that evidence subsequently obtained is 'tainted' or is 'fruit' of a prior illegality is whether the challenged evidence was [obtained] 'by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint'" ( People v Johnson , 79 AD3d 905, 906 , quoting Segura v United States , 468 US 796, 804-805 [internal quotation marks omitted]).

56
People v. Johnsongreen
ny · 1985 · cited in 3 New York opinions naming this issue, 2009–2013
2 sentences

2013That is, the People did not prove that the evidence was not acquired by exploiting the illegal arrest but, rather, came about by means “sufficiently distinguishable from [the illegality] to be purged of illegality” (People v Johnson, 66 NY2d 398, 407 [1985]; see Brown v Illinois, 422 US at 603-604 ; People v Borges, 69 NY2d 1031, 1033 [1987]).

2009Should Supreme Court find that, after applying the relevant attenuation factors (see People v Johnson, 66 NY2d 398, 407 [1985]; cf. Borges, 69 NY2d at 1033 ), defendant’s confessions were acquired by means sufficiently independent of his initial detention, its judgment should be amended to reflect that determination.

33
People v. Smallgreen
nyappdiv · 2013 · cited in 3 New York opinions naming this issue, 2017–2025
2 sentences

2024Attenuation, the exception at issue here, focuses "on the presence or absence of free will or voluntariness regarding a defendant's acts which follow illegal police conduct; thus, the attenuation inquiry resolves whether the causal connection between the police misconduct and the later discovery of the challenged evidence is so far removed as to dissipate the taint" ( People v Small , 110 AD3d at 1140 [internal quotation marks, ellipsis and citation omitted]).

2017The People have the burden of proving the applicability of the attenuation exception (see People v Small, 110 AD3d at 1141 ).

23
People v. UNIQUE DIVINEgreen
ny · 2006 · cited in 2 New York opinions naming this issue, 2010–2014
2 sentences

2014People v Divine, 6 NY3d 790, 791 [2006]), the Court may reverse the lower court's attenuation finding only if there is no evidence in the record to support the decision (see People v Bradford, 15 NY3d 329, 333 [2010]).

2014People v Divine, 6 NY3d 790, 791 [2006]), the Court may reverse the lower court’s attenuation finding only if there is no evidence in the record to support the decision (see People v Bradford, 15 NY3d 329, 333 [2010]).

22
People v. Richardsongreen
nyappdiv · 2004 · cited in 2 New York opinions naming this issue, 2013–2013
2 sentences

2013The focus of the attenuation exception is “on the presence or absence of ‘free will’ or voluntariness regarding a defendant’s . . . acts which follow illegal police conduct; thus, the attenuation inquiry resolves whether the causal connection between the police misconduct and the later discovery of the challenged evidence is so far removed as to dissipate the taint” (People v Richardson, 9 AD3d 783, 788 [2004], lv denied 3 NY3d 680 [2004]; see Segura v United States, 468 US at 805 ).

2013The focus of the attenuation exception is “on the presence or absence of ‘free will’ or voluntariness regarding a defendant’s . . . acts which follow illegal police conduct; thus, the attenuation inquiry resolves whether the causal connection between the police misconduct and the later discovery of the challenged evidence is so far removed as to dissipate the taint” (People v Richardson, 9 AD3d 783, 788 [2004], lv denied 3 NY3d 680 [2004]; see Segura v United States, 468 US at 805 ).

22
People v. Paulmangreen
ny · 2005 · cited in 2 New York opinions naming this issue, 2010–2010
2 sentences

2010People v Ryan, 12 NY3d 28, 31 [2009]; People v Divine, 6 NY3d 790, 791 [2006]), our review is limited and the determination of the Appellate Division may be disturbed only if there is no evidence in the record to support it (see People v Paulman, 5 NY3d 122, 129 [2005]).

2010Under the attenuation exception to the exclusionary rule, “[t]he question to be resolved when it is claimed that evidence subsequently obtained is ‘tainted’ or is ‘fruit’ of a prior illegality is whether the challenged evidence was [obtained] ‘ “by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint” ’ ” (Segura v United States, 468 US 796, 804-805 [1984], quoting Wong Sun v United States, 371 US at 488 ; see People v Paulman, 5 NY3d 122, 130-131 [2005]).

22
Wong Sun v. United Statesgreen
scotus · 1963 · cited in 3 New York opinions naming this issue, 1980–2010
2 sentences

2010Under the attenuation exception to the exclusionary rule, “[t]he question to be resolved when it is claimed that evidence subsequently obtained is ‘tainted’ or is ‘fruit’ of a prior illegality is whether the challenged evidence was [obtained] ‘ “by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint” ’ ” (Segura v United States, 468 US 796, 804-805 [1984], quoting Wong Sun v United States, 371 US at 488 ; see People v Paulman, 5 NY3d 122, 130-131 [2005]).

2004Such evidence is immune from suppression pursuant to the attenuation doctrine (see generally Wong Sun v United States, 371 US 471, 486-488 [1963]; People v Townes, 41 NY2d 97 , 101-102 [1976]; People v Evans, 289 AD2d 994 [2001], lv denied 97 NY2d 728 [2002]).

13
People v. Boodlegreen
ny · 1979 · cited in 3 New York opinions naming this issue, 1998–2010
2 sentences

2004The court properly applied the particular attenuation test for abandonment situations set forth in People v Boodle ( 47 NY2d 398 [1979]).

1998Clair, 80 AD2d 691 , affd, 54 NY2d 900 ), a successful challenge to the cocaine found in the patrol vehicle was unlikely under the attenuation doctrine (see, People v Boodle, 47 NY2d 398, 404 , cert denied 444 US 969 ; People v Smith, 235 AD2d 639, 640 , lv denied 89 NY2d 1041 ).

13
New York v. Harrisgreen
scotus · 1990 · cited in 2 New York opinions naming this issue, 2004–2026
2 sentences

2026In light of this holding, Harris reversed our Court for erroneously conducting an attenuation analysis when a defendant, unlawfully arrested inside the home in violation of Payton , signed a written statement confessing to the crime at the police station ( see id. at 15-16, 19).

2026And despite conceding that "involuntariness of consent can be an independent basis for suppression," the majority apparently remits on attenuation because "the question of voluntariness arises here in the context of an attenuation analysis, which is only 'appropriate where, as a threshold matter, courts determine that the challenged evidence is in some sense the product of illegal governmental activity' " (majority op at 10 n 2, quoting Harris , 495 US at 19).

12
People v. Johnsongreen
nyappdiv · 2010 · cited in 2 New York opinions naming this issue, 2021–2025
2 sentences

2025"Under the attenuation exception to the exclusionary rule, '[t]he question to be resolved when it is claimed that evidence subsequently obtained is 'tainted' or is 'fruit' of a prior illegality is whether the challenged evidence was [obtained] 'by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint'" ( People v Johnson , 79 AD3d 905, 906 [internal quotation marks omitted], quoting Segura v United States , 468 US 796, 804-805 ; see People v Contreras , 194 AD3d 835, 837 ).

2021"Under the attenuation exception to the exclusionary rule, '[t]he question to be resolved when it is claimed that evidence subsequently obtained is 'tainted' or is 'fruit' of a prior illegality is whether the challenged evidence was [obtained] 'by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint'" ( People v Johnson , 79 AD3d 905, 906 , quoting Segura v United States , 468 US 796, 804-805 [internal quotation marks omitted]).

12
People v. Harrisgreen
ny · 1991 · cited in 1 New York opinions naming this issue, 2026–2026
2 sentences

2026As we explained on remand from the Supreme Court in Harris , the Supreme Court's ruling regarding the scope of the exclusionary rule under federal law "is not adequate to protect New York citizens from Payton violations because of our right to counsel rule" (77 NY2d at 439).

2026As we explained on remand from the Supreme Court in Harris , the Supreme Court's ruling regarding the scope of the exclusionary rule under federal law "is not adequate to protect New York citizens from Payton violations because of our right to counsel rule" (77 NY2d at 439).

11
People v. Sanchezgreen
ny · 2018 · cited in 1 New York opinions naming this issue, 2026–2026
2 sentences

2026But reading the Appellate Division's decision as a whole, the Court clearly relied on the voluntariness factors sanctioned by the majority, and its finding of voluntariness is supported by the record despite the "incorrect language" discussing attenuation ( People v Sanchez , 32 NY3d 1021, 1023 [2018]).

2026But reading the Appellate Division's decision as a whole, the Court clearly relied on the voluntariness factors sanctioned by the majority, and its finding of voluntariness is supported by the record despite the "incorrect language" discussing attenuation ( People v Sanchez , 32 NY3d 1021, 1023 [2018]).

11
State v. Lanegreen
iowa · 2007 · cited in 1 New York opinions naming this issue, 2026–2026
2 sentences

2026Moreover, though Lane analyzed the relevant attenuation factors for a voluntary third-party consent "in painstaking detail" (majority op at 12), it never meaningfully analyzed whether attenuation analysis was proper in the first place ( see Lane , 726 NW2d at 380-392 [Cady, J., plurality op]).

2026Moreover, though Lane analyzed the relevant attenuation factors for a voluntary third-party consent "in painstaking detail" (majority op at 12), it never meaningfully analyzed whether attenuation analysis was proper in the first place ( see Lane , 726 NW2d at 380-392 [Cady, J., plurality op]).

11
People v. Contrerasgreen
nyappdiv · 2021 · cited in 1 New York opinions naming this issue, 2025–2025
1 sentence

2025"Under the attenuation exception to the exclusionary rule, '[t]he question to be resolved when it is claimed that evidence subsequently obtained is 'tainted' or is 'fruit' of a prior illegality is whether the challenged evidence was [obtained] 'by exploitation of [the initial] illegality or instead by means sufficiently distinguishable to be purged of the primary taint'" ( People v Johnson , 79 AD3d 905, 906 [internal quotation marks omitted], quoting Segura v United States , 468 US 796, 804-805 ; see People v Contreras , 194 AD3d 835, 837 ).

11
In re Leroy M.green
ny · 2011 · cited in 1 New York opinions naming this issue, 2024–2024
1 sentence

2024"In deciding whether voluntary consent attenuated the taint of illegal police action, a court must give consideration to a variety of factors, including the temporal proximity of the consent to the illegal police action, the presence or absence of intervening circumstances, whether the police purpose underlying the illegality was to obtain the consent or the fruits of the search, whether the consent was volunteered or requested, whether the defendant was aware he [or she] could decline to consent, and particularly, the purpose and flagrancy of the official misconduct" ( Matter of Leroy M. , 16

11
People v. Blakegreen
nyappdiv · 2007 · cited in 1 New York opinions naming this issue, 2017–2017
1 sentence

2017The court’s interested witness charge, which followed the Criminal Jury Instructions, was not constitutionally deficient. (see People v Davis, 127 AD3d 614, 615 [1st Dept 2015], lv denied 26 NY3d 928 [2015]; People v Blake, 39 AD3d 402, 403 [1st Dept 2007], lv denied 9 NY3d 873 [2007]).

11
People v. Davisgreen
nyappdiv · 2015 · cited in 1 New York opinions naming this issue, 2017–2017
1 sentence

2017The court’s interested witness charge, which followed the Criminal Jury Instructions, was not constitutionally deficient. (see People v Davis, 127 AD3d 614, 615 [1st Dept 2015], lv denied 26 NY3d 928 [2015]; People v Blake, 39 AD3d 402, 403 [1st Dept 2007], lv denied 9 NY3d 873 [2007]).

11
Johnson v. Louisianagreen
scotus · 1972 · cited in 1 New York opinions naming this issue, 2013–2013
1 sentence

2013But the majority glosses over the actual application of this doctrine: “intervening circumstances” typically include either release from custody or some action taken by a court (see Johnson v Louisiana, 406 US 356, 365 [1972] [intervening circumstances found where, “(p)rior to the lineup, at which (defendant) was represented by counsel, he was brought before a . . . magistrate to advise him of his rights and set bail”]; People v Wilson, 57 NY2d 786, 787-788 [1982] [intervening circumstances found because release followed by voluntary participation in lineup]; People v Pleasant, 54 NY2d 972, 97

11
People v. Poventudgreen
nyappdiv · 2002 · cited in 1 New York opinions naming this issue, 2013–2013
11
People v. Pleasantgreen
ny · 1981 · cited in 1 New York opinions naming this issue, 2013–2013
1 sentence

2013But the majority glosses over the actual application of this doctrine: “intervening circumstances” typically include either release from custody or some action taken by a court (see Johnson v Louisiana, 406 US 356, 365 [1972] [intervening circumstances found where, “(p)rior to the lineup, at which (defendant) was represented by counsel, he was brought before a . . . magistrate to advise him of his rights and set bail”]; People v Wilson, 57 NY2d 786, 787-788 [1982] [intervening circumstances found because release followed by voluntary participation in lineup]; People v Pleasant, 54 NY2d 972, 97

11
People v. Wilsongreen
ny · 1982 · cited in 1 New York opinions naming this issue, 2013–2013
11
People v. Weekesgreen
nyappdiv · 2008 · cited in 1 New York opinions naming this issue, 2010–2010
11
In re Daniel H.green
nyappdiv · 2009 · cited in 1 New York opinions naming this issue, 2010–2010
11
People v. Ryangreen
ny · 2009 · cited in 1 New York opinions naming this issue, 2010–2010
11
People v. Ramirez-Portorealgreen
ny · 1996 · cited in 1 New York opinions naming this issue, 2010–2010
11
United States v. Tyrone Pryorgreen
ca7 · 1994 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Luffmangreen
nyappdiv · 1996 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Van Dusergreen
nyappdiv · 2000 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Arnaugreen
ny · 1982 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Harrisgreen
ny · 1988 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Burrgreen
ny · 1987 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Silversteingreen
ny · 1989 · cited in 1 New York opinions naming this issue, 2004–2004
11
People v. Benthallgreen
nyappdiv · 1983 · cited in 1 New York opinions naming this issue, 1984–1984
11

Distinguished, questioned or overruled (0)

CaseNegativeCited
No negative-treatment citations attached to this issue in New York. Read the followed side critically anyway.

Also cited on this issue (24)

CaseCitedYears
People v. Wilkerson green
ny · 1984
2 sentences

2025When determining whether an action taken by a defendant following an impermissible seizure dissipated the taint of the illegality, "[t]he test to be applied is whether defendant's action . . . was spontaneous and precipitated by the illegality or whether it was a calculated act not provoked by the unlawful police activity and thus attenuated from it" ( People v Wilkerson , 64 NY2d 749, 750 ).

2021When determining whether an action taken by a defendant following an impermissible seizure dissipated the taint of the illegality, "[t]he test to be applied is whether defendant's action . . . was spontaneous and precipitated by the illegality or whether it was a calculated act not provoked by the unlawful police activity and thus attenuated from it" ( People v Wilkerson , 64 NY2d 749, 750 ).

22021–2025
People v. Reed green
ny · 2004
2 sentences

2013The focus of the attenuation exception is “on the presence or absence of ‘free will’ or voluntariness regarding a defendant’s . . . acts which follow illegal police conduct; thus, the attenuation inquiry resolves whether the causal connection between the police misconduct and the later discovery of the challenged evidence is so far removed as to dissipate the taint” (People v Richardson, 9 AD3d 783, 788 [2004], lv denied 3 NY3d 680 [2004]; see Segura v United States, 468 US at 805 ).

2013The focus of the attenuation exception is “on the presence or absence of ‘free will’ or voluntariness regarding a defendant’s . . . acts which follow illegal police conduct; thus, the attenuation inquiry resolves whether the causal connection between the police misconduct and the later discovery of the challenged evidence is so far removed as to dissipate the taint” (People v Richardson, 9 AD3d 783, 788 [2004], lv denied 3 NY3d 680 [2004]; see Segura v United States, 468 US at 805 ).

22013–2013
People v. Jones green
ny · 2013
2 sentences

2013“That determination requires consideration of the temporal proximity of the arrest and [acquisition of evidence] . . . , the presence of intervening circumstances and, particularly, the purpose and flagrancy of the official misconduct” (People v Conyers, 68 NY2d at 983 [citations omitted]; see Brown v Illinois, 422 US at 603-604 ; People v Bradford, 15 NY3d at 333; People v Jones, 21 NY3d at 455 ).

2013“That determination requires consideration of the temporal proximity of the arrest and [acquisition of evidence] . . . , the presence of intervening circumstances and, particularly, the purpose and flagrancy of the official misconduct” (People v Conyers, 68 NY2d at 983 [citations omitted]; see Brown v Illinois, 422 US at 603-604 ; People v Bradford, 15 NY3d at 333; People v Jones, 21 NY3d at 455 ).

22013–2013
Lee v. United States green
scotus · 1979
2 sentences

2010Here, contrary to the Supreme Court’s determination, the de fendant’s act of abandoning a quantity of cocaine inside the police van used to transport him to the police precinct following his arrest, is attenuated from the unlawful traffic stop and arrest inasmuch as the abandonment was an “independent act involving a calculated risk” (People v Boodle, 47 NY2d 398, 404 [1979], cert denied 444 US 969 [1979]; see People v Ramirez-Portoreal, 88 NY2d 99, 110 [1996]; People v Weekes, 52 AD3d 1032, 1034-1035 [2008]; Matter of Deshorn L., 277 AD2d 238 [2000]).

1998Clair, 80 AD2d 691 , affd, 54 NY2d 900 ), a successful challenge to the cocaine found in the patrol vehicle was unlikely under the attenuation doctrine (see, People v Boodle, 47 NY2d 398, 404 , cert denied 444 US 969 ; People v Smith, 235 AD2d 639, 640 , lv denied 89 NY2d 1041 ).

21998–2010
United States v. Ceccolini green
scotus · 1978
2 sentences

1978With respect to whether there exists sufficient attenuation of the illegal wiretap to permit the introduction in Mancini of the live testimony of witnesses Nanfro, Cembrale and Carbonetto at respondent’s disciplinary proceeding, we direct our attention once again to the attenuation factors considered by the Supreme Court in United States v Ceccolini ( 435 US 268 , supra).

1978As to the possible alternative ground for reaching this conclusion, namely, that the testimony of the keeper of the gun shop was admissible under the attenuation rule with respect to the testimony of live witnesses, see People v Mendez ( 28 NY2d 94 ) (compare, also, United States v Ceccolini, 435 US 268 ). .

21978–1978
Crawford v. Illinois green
scotus · 2011
1 sentence

2024"In deciding whether voluntary consent attenuated the taint of illegal police action, a court must give consideration to a variety of factors, including the temporal proximity of the consent to the illegal police action, the presence or absence of intervening circumstances, whether the police purpose underlying the illegality was to obtain the consent or the fruits of the search, whether the consent was volunteered or requested, whether the defendant was aware he [or she] could decline to consent, and particularly, the purpose and flagrancy of the official misconduct" ( Matter of Leroy M. , 16

12024–2024
People v. Delamota green
ny · 2011
1 sentence

2016Given the detective’s trial testimony and the People’s concession that the written statement merely memorialized the insufficiently warned oral statement of which the Appellate Division had no knowledge, defendant’s argument that the written statement was not sufficiently attenuated was “considerably strengthened” by the facts revealed at trial (Delamota, 18 NY3d at 118 ).

12016–2016
Bromwell v. Delaware green
scotus · 1982
12013–2013
In re Deshorn L. neutral
nyappdiv · 2000
12010–2010
Hotel & Restaurant Employees & Bartenders International Pension Fund v. Rosen green
scotus · 1981
12004–2004
People v. Moore neutral
nyappdiv · 2000
12004–2004
People v. Vaughn green
nyappdiv · 2000
12004–2004
Syracuse Peace Council v. Federal Communications Commission green
scotus · 1990
12004–2004
People v. Evans green
nyappdiv · 2001
12004–2004
People v. Rogers green
ny · 1981
12004–2004
Acres v. Hitchcock green
nyappdiv · 1981
11998–1998
People v. St. Clair green
ny · 1981
11998–1998
People v. Smith green
nyappdiv · 1997
11998–1998
People v. Harris neutral
nyappdiv · 1986
11988–1988
United States v. Crews green
scotus · 1980
11988–1988
People v. Graham neutral
nyappdiv · 1982
11984–1984
Terry v. Ohio green
scotus · 1968
11979–1979
Elkins v. United States green
scotus · 1960
11979–1979
People v. Mendez green
ny · 1971
11978–1978

Where else courts name it

TX 90 (1991–2026) IL 62 (1980–2025) ID 36 (1985–2026) NY 34 (1978–2026) WA 24 (2011–2025) NJ 24 (1981–2025) KS 23 (1975–2021) LA 22 (1991–2020) MD 21 (1981–2025) IN 20 (1979–2025) CA 18 (1984–2025) NM 17 (2015–2024) WI 17 (1991–2022) OH 15 (2000–2022) CO 14 (1985–2021) MI 14 (1977–2024) MA 12 (1986–2025) OR 12 (1988–2021) VA 11 (2005–2024) UT 10 (1991–2017) TN 9 (1980–2020) MO 7 (1995–2016) CT 6 (1990–2017) DE 6 (2008–2026) IA 6 (1979–2022) DC 5 (1978–2021) KY 4 (2020–2024) AL 4 (1987–2008) NC 4 (2017–2020) PA 3 (2010–2025) NV 3 (2017–2018) FL 3 (2006–2013) SD 3 (1976–2024) NE 2 (1980–2017) AZ 2 (2011–2016) WY 2 (2022–2022) ND 2 (2000–2008) MT 2 (1985–2007)

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.

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