87 Iowa opinions name it 2 courts 1977–2026 27 in the last five years
The cases below were cited by Iowa 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 |
|---|---|---|
David R. Desimone v. State of Iowagreen2 sentences2025See DeSimone, 803 N.W.2d at 105 (requiring a defendant claiming a Brady violation to prove materiality, meaning a reasonable probability of a different outcome had the challenged evidence been disclosed). 2024For his Brady claim to succeed, Karvel must show by a preponderance of the evidence, “(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.” DeSimone v. State, 803 N.W.2d 97, 103 (Iowa 2011). | 28 | 30 |
Harrington v. Stategreen2 sentences2023To succeed in establishing a Brady violation, Tesch “must prove by a preponderance of the evidence ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’” DeSimone v. State, 803 N.W.2d 97, 103 (Iowa 2011) (quoting Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003)). 2023To succeed in establishing a Brady violation, Tesch “must prove by a preponderance of the evidence ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’” DeSimone v. State, 803 N.W.2d 97, 103 (Iowa 2011) (quoting Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003)). | 20 | 21 |
Brady v. Marylandgreen2 sentences2026What’s more, when a court orders an officer’s removal from the list, it may (as here) be because the court found the underlying evidence neither “material” nor “favorable” under the Brady standard. 373 U.S. at 87 . 2026What’s more, when a court orders an officer’s removal from the list, it may (as here) be because the court found the underlying evidence neither “material” nor “favorable” under the Brady standard. 373 U.S. at 87 . | 19 | 26 |
Cornell v. Stategreen2 sentences2011“To establish a Brady violation has occurred, [the defendant] must prove by a preponderance of the evidence ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’ ” Desimone, 803 N.W.2d at 103 (quoting Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003)); see also Cornell, 430 N.W.2d at 385 . 2011“To establish a Brady violation has occurred, [the defendant] must prove by a preponderance of the evidence ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’ ” Desimone, 803 N.W.2d at 103 (quoting Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003)); see also Cornell, 430 N.W.2d at 385 . | 10 | 10 |
United States v. Bagleygreen2 sentences2019“The Brady rule encompasses both impeachment and exculpatory evidence.” Id. 2019“The Brady rule encompasses both impeachment and exculpatory evidence.” Id. | 7 | 9 |
Martin Shane Moon v. State of Iowagreen2 sentences2022See Uranga, 950 N.W.2d at 243 (explaining that a new trial based on newly discovered evidence under Iowa Rule of Criminal Procedure 2.24(2)(b)(8) requires that the evidence be “material” and “probably would have changed the result of the trial” (quoting State v. Smith, 573 N.W.2d 14, 21 (Iowa 1997))); Moon v. State, 911 N.W.2d 137, 145 (Iowa 2018) (explaining that a Brady violation requires a showing that the evidence was “favorable to the defense” and 3The State argues that Cahill failed to preserve error on the alleged Brady violation by not moving for a new trial on that ground, while conce 2022See Uranga, 950 N.W.2d at 243 (explaining that a new trial based on newly discovered evidence under Iowa Rule of Criminal Procedure 2.24(2)(b)(8) requires that the evidence be “material” and “probably would have changed the result of the trial” (quoting State v. Smith, 573 N.W.2d 14, 21 (Iowa 1997))); Moon v. State, 911 N.W.2d 137, 145 (Iowa 2018) (explaining that a Brady violation requires a showing that the evidence was “favorable to the defense” and 3The State argues that Cahill failed to preserve error on the alleged Brady violation by not moving for a new trial on that ground, while conce | 7 | 8 |
State v. Romeogreen2 sentences2003See State v. Romeo, 542 N.W.2d 543, 551 (Iowa 1996) (conducting a de novo review of due process claim based on a Brady violation). 2003See State v. Romeo, 542 N.W.2d 543, 551 (Iowa 1996) (conducting a de novo review of due process claim based on a Brady violation). | 4 | 5 |
State v. Vealgreen2 sentences2017“In order to establish a Brady violation, the defendant had to prove ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’” Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003) (quoting State v. Veal, 564 N.W.2d 797, 810 (Iowa 1997)). 2017“In order to establish a Brady violation, the defendant had to prove ‘(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.’” Harrington v. State, 659 N.W.2d 509, 516 (Iowa 2003) (quoting State v. Veal, 564 N.W.2d 797, 810 (Iowa 1997)). | 4 | 4 |
United States v. Agursgreen2 sentences1997The Brady rule applies when the evidence is discovered after trial “which had been known to the prosecution but unknown to the defense.” United States v. Agurs, 427 U.S. 97, 103 , 96 S.Ct. 2392, 2397 , 49 L.Ed.2d 342, 349 (1976). 1997The Brady rule applies when the evidence is discovered after trial “which had been known to the prosecution but unknown to the defense.” United States v. Agurs, 427 U.S. 97, 103 , 96 S.Ct. 2392, 2397 , 49 L.Ed.2d 342, 349 (1976). | 3 | 6 |
Aguilera v. Stategreen2 sentences2018We have stated "[w]ithholding impeachment evidence can [amount to] a Brady violation, but when a witness's testimony has been otherwise impeached with prior inconsistent statements , we are less likely to *150 find the impeaching statements would have impacted the outcome of the trial." Aguilera , 807 N.W.2d at 254 (emphasis added). 2018We have stated "[w]ithholding impeachment evidence can [amount to] a Brady violation, but when a witness's testimony has been otherwise impeached with prior inconsistent statements , we are less likely to *150 find the impeaching statements would have impacted the outcome of the trial." Aguilera , 807 N.W.2d at 254 (emphasis added). | 3 | 4 |
Strickler v. Greenegreen2 sentences2014To establish a Brady violation has occurred, McGhee must prove by a preponderance of the evidence “(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.” DeSimone v. State, 803 N.W.2d 97, 103 (Iowa 2011) (citing Strickler v. Greene, 527 U.S. 263, 281-82 (1999)). 2014To establish a Brady violation has occurred, McGhee must prove by a preponderance of the evidence “(1) the prosecution suppressed evidence; (2) the evidence was favorable to the defendant; and (3) the evidence was material to the issue of guilt.” DeSimone v. State, 803 N.W.2d 97, 103 (Iowa 2011) (citing Strickler v. Greene, 527 U.S. 263, 281-82 (1999)). | 3 | 3 |
Brewer v. Stategreen2 sentences2006See Brewer v. State, 444 N.W.2d 77, 83 (Iowa 1989) (holding failure of prosecution- to reveal complete details of star witness’s grant of immunity was not a Brady violation in part because the evidence was not material). 2006See Brewer v. State, 444 N.W.2d 77, 83 (Iowa 1989) (holding failure of prosecution- to reveal complete details of star witness’s grant of immunity was not a Brady violation in part because the evidence was not material). | 3 | 3 |
State Of Iowa Vs. Robert L. Hanesgreen2 sentences2021See State v. Piper, 663 N.W.2d 894, 905 (Iowa 2003) (finding no Brady violation when the State failed to timely disclose video crime-scene footage that reinforced defense counsel’s understanding that investigators were unable to obtain fingerprints from the murder victim’s body), overruled on other grounds by State v. Hanes, 790 N.W.2d 545 (Iowa 2010). 2012In State v. Piper, we considered a Brady claim based on late disclosure of evidence and stated that evidence is not considered suppressed in a constitutional sense “‘if the defendant either knew or should have known of the essential facts permitting him to take advantage of the evidence.’ ” 663 N.W.2d 894, 905 (Iowa 2003) (quoting Harrington v. State, 659 N.W.2d 509, 522 (Iowa 2003)), overruled on other grounds by State v. Hanes, 790 N.W.2d 545, 551 (Iowa 2010). | 2 | 2 |
State v. Pipergreen2 sentences2021See State v. Piper, 663 N.W.2d 894, 905 (Iowa 2003) (finding no Brady violation when the State failed to timely disclose video crime-scene footage that reinforced defense counsel’s understanding that investigators were unable to obtain fingerprints from the murder victim’s body), overruled on other grounds by State v. Hanes, 790 N.W.2d 545 (Iowa 2010). 2012In State v. Piper, we considered a Brady claim based on late disclosure of evidence and stated that evidence is not considered suppressed in a constitutional sense “‘if the defendant either knew or should have known of the essential facts permitting him to take advantage of the evidence.’ ” 663 N.W.2d 894, 905 (Iowa 2003) (quoting Harrington v. State, 659 N.W.2d 509, 522 (Iowa 2003)), overruled on other grounds by State v. Hanes, 790 N.W.2d 545, 551 (Iowa 2010). | 2 | 2 |
Pennsylvania v. Ritchiegreen2 sentences2013See Pennsylvania v. Ritchie, 480 U.S. 39, 58 , 107 S.Ct. 989, 1002 , 94 L.Ed.2d 40, 58 (1987). 2013See Pennsylvania v. Ritchie, 480 U.S. 39, 58 , 107 S.Ct. 989, 1002 , 94 L.Ed.2d 40, 58 (1987). | 2 | 2 |
Mazzan v. Warden, Ely State Prisongreen2 sentences2011See United States v. Griggs, 713 F.2d 672, 674 (11th Cir.1983) (stating a Brady violation does not exist where the defendant or his attorney knew of the alleged exculpatory information); Harrington, 659 N.W.2d at 522 (holding although the defendant had knowledge of the existence of the police reports, the defendant “did not have the ‘essential facts’ of the police reports so as to allow the defense to wholly take advantage of this evidence [and] ‘only access to the documents themselves would have provided the range and detail of information necessary to fully understand the implications of the 2011See United States v. Griggs, 713 F.2d 672, 674 (11th Cir.1983) (stating a Brady violation does not exist where the defendant or his attorney knew of the alleged exculpatory information); Harrington, 659 N.W.2d at 522 (holding although the defendant had knowledge of the existence of the police reports, the defendant “did not have the ‘essential facts’ of the police reports so as to allow the defense to wholly take advantage of this evidence [and] ‘only access to the documents themselves would have provided the range and detail of information necessary to fully understand the implications of the | 2 | 2 |
Giglio v. United Statesgreen2 sentences1987See Bagley, 473 U.S. at 676 , 105 S.Ct. at 3380 , 87 L.Ed.2d at 490 ; Giglio v. United States, 405 U.S. 150, 154 , 92 S.Ct. 763, 766 , 31 L.Ed.2d 104, 108 (1972); 2 C. 1987See Bagley, 473 U.S. at 676 , 105 S.Ct. at 3380 , 87 L.Ed.2d at 490 ; Giglio v. United States, 405 U.S. 150, 154 , 92 S.Ct. 763, 766 , 31 L.Ed.2d 104, 108 (1972); 2 C. | 2 | 2 |
State v. Behngreen2 sentences2016The court determined that the standard for whether evidence is merely cumulative or impeaching is the Brady standard: whether the evidence “impeaches a witness where the issue of the witness’ reliability and credibility is crucial.” Id. at 344–45. 2016The court determined that the standard for whether evidence is merely cumulative or impeaching is the Brady standard: whether the evidence “impeaches a witness where the issue of the witness’ reliability and credibility is crucial.” Id. at 344–45. | 1 | 2 |
IA SUP. CT. ATTY. DISCIPLINARY v. McGrathgreen2 sentences2026To prove a Brady violation in a disciplinary proceeding, Cramer would have to show that “(1) the board suppressed the requested evidence, (2) the evidence 11 was favorable to [Cramer], and (3) the evidence was material to whether he was guilty of the ethical charges.” Iowa Sup. Ct. Att’y Disciplinary Bd. v. McGrath, 713 N.W.2d 682, 689 (Iowa 2006). 2026To prove a Brady violation in a disciplinary proceeding, Cramer would have to show that “(1) the board suppressed the requested evidence, (2) the evidence 11 was favorable to [Cramer], and (3) the evidence was material to whether he was guilty of the ethical charges.” Iowa Sup. Ct. Att’y Disciplinary Bd. v. McGrath, 713 N.W.2d 682, 689 (Iowa 2006). | 1 | 1 |
Hamann v. Stategreen2 sentences2026See id. 2026See id. | 1 | 1 |
State v. Corneliusgreen2 sentences2025See, e.g., State v. Cornelius, 293 N.W.2d 267, 269 (Iowa 1980) (determining the defendant failed to preserve error when he moved for mistrial after the State rested its case-in-chief because the “defendant should have asked for a mistrial when the allegedly prejudicial question was asked”); Gibb, 303 N.W.2d at 678 (finding error unpreserved on the defendant’s 8 argument that witness testimony violated a constitutional right when the defendant did not assert that argument until his posttrial motion in arrest of judgment and request for new trial). 2025See, e.g., State v. Cornelius, 293 N.W.2d 267, 269 (Iowa 1980) (determining the defendant failed to preserve error when he moved for mistrial after the State rested its case-in-chief because the “defendant should have asked for a mistrial when the allegedly prejudicial question was asked”); Gibb, 303 N.W.2d at 678 (finding error unpreserved on the defendant’s 8 argument that witness testimony violated a constitutional right when the defendant did not assert that argument until his posttrial motion in arrest of judgment and request for new trial). | 1 | 1 |
State v. Allan Banks Gibb IIIgreen2 sentences2025See, e.g., State v. Cornelius, 293 N.W.2d 267, 269 (Iowa 1980) (determining the defendant failed to preserve error when he moved for mistrial after the State rested its case-in-chief because the “defendant should have asked for a mistrial when the allegedly prejudicial question was asked”); Gibb, 303 N.W.2d at 678 (finding error unpreserved on the defendant’s 8 argument that witness testimony violated a constitutional right when the defendant did not assert that argument until his posttrial motion in arrest of judgment and request for new trial). 2025See, e.g., State v. Cornelius, 293 N.W.2d 267, 269 (Iowa 1980) (determining the defendant failed to preserve error when he moved for mistrial after the State rested its case-in-chief because the “defendant should have asked for a mistrial when the allegedly prejudicial question was asked”); Gibb, 303 N.W.2d at 678 (finding error unpreserved on the defendant’s 8 argument that witness testimony violated a constitutional right when the defendant did not assert that argument until his posttrial motion in arrest of judgment and request for new trial). | 1 | 1 |
State v. Lymangreen2 sentences2025See, e.g., State v. Miller, ___ N.W.3d ___, ___, 2024 WL 4469195 , at *6 (Iowa Oct. 11, 2024) (“We review [defendant]’s constitutional challenges to his sentence de novo.”); State v. Arrieta, 998 N.W.2d 617 , 620 (Iowa 2023) (“We review the district court’s denial of a motion to suppress based on deprivation of a constitutional right de novo.”); State v. Liggins, 978 N.W.2d 406 , 417 (Iowa 2022) (“Ordinarily, when constitutional issues are involved, we have repeatedly stated over decades of cases that our review is de novo.”); State v. Cahill, 972 N.W.2d 19 , 27 (Iowa 12 2022) (“Due process cl 2025See, e.g., State v. Miller, ___ N.W.3d ___, ___, 2024 WL 4469195 , at *6 (Iowa Oct. 11, 2024) (“We review [defendant]’s constitutional challenges to his sentence de novo.”); State v. Arrieta, 998 N.W.2d 617 , 620 (Iowa 2023) (“We review the district court’s denial of a motion to suppress based on deprivation of a constitutional right de novo.”); State v. Liggins, 978 N.W.2d 406 , 417 (Iowa 2022) (“Ordinarily, when constitutional issues are involved, we have repeatedly stated over decades of cases that our review is de novo.”); State v. Cahill, 972 N.W.2d 19 , 27 (Iowa 12 2022) (“Due process cl | 1 | 1 |
State of Iowa v. Kenneth L. Lillygreen2 sentences2025See, e.g., State v. Miller, ___ N.W.3d ___, ___, 2024 WL 4469195 , at *6 (Iowa Oct. 11, 2024) (“We review [defendant]’s constitutional challenges to his sentence de novo.”); State v. Arrieta, 998 N.W.2d 617 , 620 (Iowa 2023) (“We review the district court’s denial of a motion to suppress based on deprivation of a constitutional right de novo.”); State v. Liggins, 978 N.W.2d 406 , 417 (Iowa 2022) (“Ordinarily, when constitutional issues are involved, we have repeatedly stated over decades of cases that our review is de novo.”); State v. Cahill, 972 N.W.2d 19 , 27 (Iowa 12 2022) (“Due process cl 2025See, e.g., State v. Miller, ___ N.W.3d ___, ___, 2024 WL 4469195 , at *6 (Iowa Oct. 11, 2024) (“We review [defendant]’s constitutional challenges to his sentence de novo.”); State v. Arrieta, 998 N.W.2d 617 , 620 (Iowa 2023) (“We review the district court’s denial of a motion to suppress based on deprivation of a constitutional right de novo.”); State v. Liggins, 978 N.W.2d 406 , 417 (Iowa 2022) (“Ordinarily, when constitutional issues are involved, we have repeatedly stated over decades of cases that our review is de novo.”); State v. Cahill, 972 N.W.2d 19 , 27 (Iowa 12 2022) (“Due process cl | 1 | 1 |
Watkins v. Medeirosgreen1 sentence2024See Romeo, 524 N.W.2d at 552; see also Watkins v. Medeiros, 36 F.4th 373 , 390–91 (1st Cir. 2022) (finding no Brady violation in a federal habeas case when State failed to produce a “crime scene diagram” created by police that 14 was “not drawn to scale” and “would have a nominal effect on impeaching” the State’s key witness). | 1 | 1 |
State of Iowa v. Robin Eugene Brubakergreen2 sentences2023“We will not find counsel incompetent for failing to pursue a meritless issue.” State v. Brubaker, 805 N.W.2d 164, 171 (Iowa 2011), abrogated on other grounds by State v. Crawford, 972 N.W.2d 189 (Iowa 2022). 2023“We will not find counsel incompetent for failing to pursue a meritless issue.” State v. Brubaker, 805 N.W.2d 164, 171 (Iowa 2011), abrogated on other grounds by State v. Crawford, 972 N.W.2d 189 (Iowa 2022). | 1 | 1 |
Mark v. Stategreen2 sentences2023In order to establish a Brady violation, a party “must prove (1) the prosecution suppressed evidence, (2) the evidence was favorable to his defense, 9 and (3) the evidence was material to the issue of guilt.” Mark v. State, 568 N.W.2d 820, 822 (Iowa Ct. App. 1997). 2023In order to establish a Brady violation, a party “must prove (1) the prosecution suppressed evidence, (2) the evidence was favorable to his defense, 9 and (3) the evidence was material to the issue of guilt.” Mark v. State, 568 N.W.2d 820, 822 (Iowa Ct. App. 1997). | 1 | 1 |
| State v. Smithgreen | 1 | 1 |
| Roush v. Mahaska State Bankgreen | 1 | 1 |
| State of Iowa v. Michael Lomaxgreen | 1 | 1 |
| State of Iowa v. Kelvin Plain Sr.green | 1 | 1 |
| Daniel King v. State of Iowagreen | 1 | 1 |
| State of Iowa v. Kevin Deshay Ambrosegreen | 1 | 1 |
| State of Iowa v. Arzel Jonesgreen | 1 | 1 |
| State of Iowa v. Justin Robert Derbygreen | 1 | 1 |
| Meier v. SENECAUT IIIgreen | 1 | 1 |
| Sondra Irving v. Employment Appeal Boardgreen | 1 | 1 |
| State v. Hartsfieldgreen | 1 | 1 |
| United States v. Edmund Rosnergreen | 1 | 1 |
| United States v. Burkegreen | 1 | 1 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Iowa. Read the followed side critically anyway. | ||
| Case | Cited | Years |
|---|---|---|
Strickland v. Washington
green
2 sentences1988The Bagley court applied the same test of materiality to the Brady rule which it had applied to test prejudice resulting from ineffective assistance of counsel in Strickland v. Washington, 466 U.S. 668 , 104 S.Ct. 2052 , 80 L.Ed.2d 674 (1984). 1988The Bagley court applied the same test of materiality to the Brady rule which it had applied to test prejudice resulting from ineffective assistance of counsel in Strickland v. Washington, 466 U.S. 668 , 104 S.Ct. 2052 , 80 L.Ed.2d 674 (1984). | 2 | 1987–1988 |
State of Iowa v. Lee Samuel Christensen
green
1 sentence2024“Juror bias . . . arises when a juror is unable to fairly engage in a determination of guilt or innocence based on the evidence at trial and the court’s instructions.” State v. Christensen, 929 N.W.2d 646 , 661 3 Fishler suggests there was no way to point out to the district court that it failed to rule on the Brady issue, so we should conclude that raising the issue to the district court was enough to preserve it. | 1 | 2024–2024 |
Franks v. Delaware
green
2 sentences2022The claims relevant to this appeal relate to the legality of the initial stop, the alleged Franks violation in the first 2In Franks v. Delaware, 438 U.S. 154 , 171–72 (1978), the United States Supreme Court held that if false information is used to obtain a search warrant, “the offensive material must be deleted and the remainder of the warrant reviewed to determine whether probable cause existed.” 4 warrant application, and the alleged Brady violation regarding the State’s failure to provide Pierce with the interview of the confidential informant. 2022The claims relevant to this appeal relate to the legality of the initial stop, the alleged Franks violation in the first 2In Franks v. Delaware, 438 U.S. 154 , 171–72 (1978), the United States Supreme Court held that if false information is used to obtain a search warrant, “the offensive material must be deleted and the remainder of the warrant reviewed to determine whether probable cause existed.” 4 warrant application, and the alleged Brady violation regarding the State’s failure to provide Pierce with the interview of the confidential informant. | 1 | 2022–2022 |
| State v. Tejeda green | 1 | 2018–2018 |
| State v. Hulbert green | 1 | 2015–2015 |
| State v. Richmond green | 1 | 2015–2015 |
| State v. Eads green | 1 | 2012–2012 |
| State v. Brady green | 1 | 2000–2000 |
| State v. Hall green | 1 | 1978–1978 |
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.