attenuation doctrine (Delaware) · Go Syfert
← Delaware issues

attenuation doctrine in Delaware

6 Delaware opinions name it 2 courts 2008–2026 3 in the last five years

The cases below were cited by Delaware 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 (10)

CaseFollowedCited
Lopez-Vazquez v. Stategreen
del · 2008 · cited in 4 Delaware opinions naming this issue, 2015–2026
2 sentences

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

44
Jones v. Stategreen
del · 1999 · cited in 3 Delaware opinions naming this issue, 2008–2022
2 sentences

2022A, at 6:00–6:25. 30 Id. 31 Id. at 6:52–6:53. 32 Jones v. State, 745 A.2d 856, 873 (Del. 1999) 33 See Lopez-Vazquez v. State, 956 A.2d 1280, 1292 (Del. 2008) (“[T]aint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.”). 34 The inevitable discovery doctrine was explained in Garnett I.

2015It provides for the exclusion from trial of any evidence recovered or derived from an illegal search and seizure.”42 However, the Delaware Supreme Court has recognized occasions where “official misconduct should not fatally taint evidence that would have been discovered absent that official misconduct.” 43 Rather, “taint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.” 44 Delaware accepts

23
Cook v. Stategreen
del · 1977 · cited in 3 Delaware opinions naming this issue, 2015–2026
2 sentences

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

13
Wong Sun v. United Statesgreen
scotus · 1963 · cited in 2 Delaware opinions naming this issue, 2015–2022
2 sentences

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

2015It provides for the exclusion from trial of any evidence recovered or derived from an illegal search and seizure.”42 However, the Delaware Supreme Court has recognized occasions where “official misconduct should not fatally taint evidence that would have been discovered absent that official misconduct.” 43 Rather, “taint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.” 44 Delaware accepts

12
Patrick v. Stategreen
del · 1967 · cited in 1 Delaware opinions naming this issue, 2026–2026
2 sentences

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

11
Guererri v. Stategreen
del · 2007 · cited in 1 Delaware opinions naming this issue, 2026–2026
2 sentences

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

11
Kaupp v. Texasgreen
scotus · 2003 · cited in 1 Delaware opinions naming this issue, 2022–2022
1 sentence

2022Moving on to factor two, “the presence of intervening circumstances,”66 the United States Supreme Court has explained that under the attenuation doctrine, “[e]vidence is admissible when the connection between unconstitutional police conduct and the evidence is remote or has been interrupted by some intervening circumstance, so that ‘the interest protected by the constitutional guarantee that has 62 Lopez-Vazquez, 956 A.2d at 1293 (citing Brown, 422 U.S. at 603–04). 63 Id. (quoting Brown, 422 U.S. at 603 ). 64 See Utah v. Strieff, 579 U.S. 232, 239 (2016) (“First, we look to the “temporal proxi

11
Utah v. Strieffgreen
scotus · 2016 · cited in 1 Delaware opinions naming this issue, 2022–2022
2 sentences

2022Moving on to factor two, “the presence of intervening circumstances,”66 the United States Supreme Court has explained that under the attenuation doctrine, “[e]vidence is admissible when the connection between unconstitutional police conduct and the evidence is remote or has been interrupted by some intervening circumstance, so that ‘the interest protected by the constitutional guarantee that has 62 Lopez-Vazquez, 956 A.2d at 1293 (citing Brown, 422 U.S. at 603–04). 63 Id. (quoting Brown, 422 U.S. at 603 ). 64 See Utah v. Strieff, 579 U.S. 232, 239 (2016) (“First, we look to the “temporal proxi

2022Moving on to factor two, “the presence of intervening circumstances,”66 the United States Supreme Court has explained that under the attenuation doctrine, “[e]vidence is admissible when the connection between unconstitutional police conduct and the evidence is remote or has been interrupted by some intervening circumstance, so that ‘the interest protected by the constitutional guarantee that has 62 Lopez-Vazquez, 956 A.2d at 1293 (citing Brown, 422 U.S. at 603–04). 63 Id. (quoting Brown, 422 U.S. at 603 ). 64 See Utah v. Strieff, 579 U.S. 232, 239 (2016) (“First, we look to the “temporal proxi

11
State of Delaware v. Parks.green
delsuperct · 2014 · cited in 1 Delaware opinions naming this issue, 2015–2015
1 sentence

2015Inevitable Discovery Doctrine The Delaware Supreme Court has recognized exceptions to the warrant requirements where “official misconduct should not fatally taint evidence ...”27 Rather, “taint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.”28 Delaware “has long accepted and consistently applied the inevitable discovery exception to the exclusionary rule.”29 This exception provides that

11
United States v. David Lee Greengreen
ca7 · 1997 · cited in 1 Delaware opinions naming this issue, 2008–2008
1 sentence

2008See also United States v. Green, 111 F.3d 515, 521 (7th Cir.1997) (noting that the attenuation doctrine is used to support the admission of evidence in three general categories: "admission of voluntary confessions obtained after illegal arrests," "admission of evidence obtained during consensual searches following illegal seizures,” "the admission of voluntary confessions given after Miranda warnings where an earlier confession was obtained before the defendant was advised of his fifth amendment rights,” and "the admission of a witness’ testimony at trial where the identity of the witness was

11

Distinguished, questioned or overruled (0)

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

Also cited on this issue (10)

CaseCitedYears
Nix v. Williams green
scotus · 1984
1 sentence

2026Nix, 467 U.S. 431 . 14 of Delaware has recognized the following exceptions to the exclusionary rule: the independent source doctrine;78 the inevitable discovery doctrine;79 the attenuation doctrine;80 the exigent circumstances doctrine;81 and the emergency doctrine.82 These exceptions have each been applied to constitutional violations that vary significantly from one another.

12026–2026
Mason v. State green
del · 1987
1 sentence

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

12026–2026
Thomas v. State green
del · 2010
1 sentence

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

12026–2026
Ways v. State green
del · 2018
1 sentence

2026See also Lopez- Vazquez, 956 A.2d at 1291-92 (acknowledging that “taint may be purged” from evidence pursuant to the independent source doctrine). 79 See Cook, 374 A.2d 264 (applying the inevitable discovery doctrine to possibly tainted evidence). 80 See Garnett, 308 A.3d 625 (applying the attenuation doctrine to tainted evidence). 81 See Patrick, 227 A.2d 486 (applying the exigent circumstances doctrine to tainted evidence). 82 See Guererri v. State, 922 A.2d 403 (Del. 2007) (applying the emergency doctrine to tainted evidence). 83 See, e.g., Cook, 374 A.2d 264 (applying the inevitable discov

12026–2026
United States v. Belki Maria Vasquez De Reyes green
ca3 · 1998
2 sentences

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

12022–2022
Brown v. Illinois green
scotus · 1975
2 sentences

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

2022Id. at 194 n.1. 8 Garnett's confession is ‘sufficiently an act of free will to purge the primary taint of the unlawful invasion.’”39 However, assuming arguendo that both doctrines are in play, the Court will analyze this case under both the inevitable discovery doctrine and the attenuation doctrine, as did the Vasquez De Reyes court, to determine whether the taint from the warrantless entry was purged prior to the confession.40 1.

12022–2022
Norman v. State green
del · 2009
2 sentences

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

2022Pa. Oct. 31, 2006) (referring to Vasquez De Reyes, 149 F.3d 192 ). 55 See Norman, 976 A.2d at 859 . 13 challenged evidence becomes sufficiently attenuated.”56 “Thus, even if there is an illegal search or seizure, direct or derivative evidence, such as consent, may still be admissible if the taint is sufficiently ‘purged.’”57 The attenuation doctrine was an outgrowth of the Supreme Court’s decision in Wong Sun v. United States,58 which determined that a statement made after an illegal arrest or search should be sufficiently an act of free will to purge the primary taint of the constitutional vi

12022–2022
Taylor v. State green
del · 2011
2 sentences

2022A, at 6:00–6:25. 30 Id. 31 Id. at 6:52–6:53. 32 Jones v. State, 745 A.2d 856, 873 (Del. 1999) 33 See Lopez-Vazquez v. State, 956 A.2d 1280, 1292 (Del. 2008) (“[T]aint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.”). 34 The inevitable discovery doctrine was explained in Garnett I.

2022A, at 6:00–6:25. 30 Id. 31 Id. at 6:52–6:53. 32 Jones v. State, 745 A.2d 856, 873 (Del. 1999) 33 See Lopez-Vazquez v. State, 956 A.2d 1280, 1292 (Del. 2008) (“[T]aint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.”). 34 The inevitable discovery doctrine was explained in Garnett I.

12022–2022
Mapp v. Ohio green
scotus · 1961
1 sentence

2015It provides for the exclusion from trial of any evidence recovered or derived from an illegal search and seizure.”42 However, the Delaware Supreme Court has recognized occasions where “official misconduct should not fatally taint evidence that would have been discovered absent that official misconduct.” 43 Rather, “taint may be purged and the evidence may be admissible through one of the doctrinal exceptions to the exclusionary rule, such as the independent source doctrine, the inevitable discovery doctrine, the exigent circumstances doctrine, and the attenuation doctrine.” 44 Delaware accepts

12015–2015
Martin v. State green
del · 1981
1 sentence

2015Super. 2014) (citing Cook v. State, 374 A.2d 264 , 267–68 (Del. 1977); Martin v. State, 433 A.2d 1025 (Del. 1981); Rew v. State, 1993 WL 61705 (Del.

12015–2015

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.

← Caselaw search · G Cite Topics · Brief Check