Strickland two-prong test (Idaho) · Go Syfert
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Strickland two-prong test in Idaho

11 Idaho opinions name it 2 courts 2004–2025 2 in the last five years

The cases below were cited by Idaho 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 (13)

CaseFollowedCited
Strickland v. Washingtongreen
scotus · 1984 · cited in 10 Idaho opinions naming this issue, 2013–2025
2 sentences

2023“This Court employs the Strickland two-prong test to determine whether a defendant in a criminal case received effective assistance of counsel.” Thumm v. State, 165 Idaho 405 , 412–13, 447 P.3d 853 , 860–61 (2019) (citing Strickland v. Washington, 466 U.S. 668 (1984)).

2017The Idaho Supreme Court “has adopted the Strickland two-prong test to evaluate whether a criminal defendant received effective assistance of counsel.” Dunlap v. State, 141 Idaho 50, 59 , 106 P.3d 376, 385 (2004); Strickland v. Washington, 466 U.S. 668 (1984).

510
Dunlap v. Stategreen
idaho · 2004 · cited in 4 Idaho opinions naming this issue, 2013–2017
2 sentences

2017The Idaho Supreme Court “has adopted the Strickland two-prong test to evaluate whether a criminal defendant received effective assistance of counsel.” Dunlap v. State, 141 Idaho 50, 59 , 106 P.3d 376, 385 (2004); Strickland v. Washington, 466 U.S. 668 (1984).

2017The Idaho Supreme Court “has adopted the Strickland two-prong test to evaluate whether a criminal defendant received effective assistance of counsel.” Dunlap v. State, 141 Idaho 50, 59 , 106 P.3d 376, 385 (2004); Strickland v. Washington, 466 U.S. 668 (1984).

44
State v. Timothy Alan Dunlapgreen
idaho · 2013 · cited in 3 Idaho opinions naming this issue, 2015–2015
2 sentences

2015Under the Strickland two-prong test, the defendant must show: (1) that trial “counsel’s performance was deficient;” and (2) that “the deficient performance prejudiced the defense.” Strickland v. Washington, 466 U.S. 668, 687 (1984); see Dunlap V, 155 Idaho 345, 383, 313 P.3d 1, 39 (2013). “[T]he performance inquiry must be whether counsel’s assistance was reasonable considering all the circumstances.” Strickland, 466 U.S. at 688.

2015Under the Strickland two-prong test, the defendant must show: (1) that trial “counsel’s performance was deficient;” and (2) that “the deficient performance prejudiced the defense.” Strickland v. Washington, 466 U.S. 668, 687 (1984); see Dunlap V, 155 Idaho 345, 383, 313 P.3d 1, 39 (2013). “[T]he performance inquiry must be whether counsel’s assistance was reasonable considering all the circumstances.” Strickland, 466 U.S. at 688.

23
State v. Mathewsgreen
idaho · 1999 · cited in 3 Idaho opinions naming this issue, 2004–2013
2 sentences

2013This Court has “adopted the Strickland two-prong test to evaluate whether a criminal defendant received effective assistance of counsel.” Dunlap III, 141 Idaho 50, 59 , 106 P.3d 376, 385 (2004) (citing Strickland v. Washington, 466 U.S. 668, 687 (1984); State v. Mathews, 133 Idaho 300, 306 , 986 P.2d 323, 329 (1999)).

2013This Court has “adopted the Strickland two-prong test to evaluate whether a criminal defendant received effective assistance of counsel.” Dunlap III, 141 Idaho 50, 59 , 106 P.3d 376, 385 (2004) (citing Strickland v. Washington, 466 U.S. 668, 687 (1984); State v. Mathews, 133 Idaho 300, 306 , 986 P.2d 323, 329 (1999)).

23
State v. Portergreen
idaho · 1997 · cited in 2 Idaho opinions naming this issue, 2015–2015
2 sentences

2015This Court “will not second-guess trial counsel’s strategic and tactical choices . . . and we presume trial counsel was competent and that trial tactics were based on sound legal strategy.” State v. Porter, 130 Idaho 772, 792, 948 P.2d 127, 147 (1997). 47 “Voir dire plays a critical function in assuring the criminal defendant that his Sixth Amendment right to an impartial jury will be honored.” Rosales-Lopez v. United States, 451 U.S. 182, 188 (1981).

2015This Court “will not second-guess trial counsel’s strategic and tactical choices . . . and we presume trial counsel was competent and that trial tactics were based on sound legal strategy.” State v. Porter, 130 Idaho 772, 792, 948 P.2d 127, 147 (1997). 47 “Voir dire plays a critical function in assuring the criminal defendant that his Sixth Amendment right to an impartial jury will be honored.” Rosales-Lopez v. United States, 451 U.S. 182, 188 (1981).

22
Moormann v. Ryangreen
ca9 · 2010 · cited in 2 Idaho opinions naming this issue, 2015–2015
2 sentences

2015See Moormann v. Ryan, 628 F.3d 1102, 1106-07 (9th Cir.2010); State v. Sellers, 290 Neb. 18 , 858 N.W.2d 577 , 585 (2015); Wright v. State, 765 N.W.2d 85, 91 (Minn.2009).

2015See Moormann v. Ryan, 628 F.3d 1102, 1106–07 (9th Cir. 2010); State v. Sellers, 858 N.W.2d 577, 585 (Neb. 2015); Wright v. State, 765 N.W.2d 85, 91 (Minn. 2009).

22
Wright v. Stategreen
minn · 2009 · cited in 2 Idaho opinions naming this issue, 2015–2015
2 sentences

2015See Moormann v. Ryan, 628 F.3d 1102, 1106-07 (9th Cir.2010); State v. Sellers, 290 Neb. 18 , 858 N.W.2d 577 , 585 (2015); Wright v. State, 765 N.W.2d 85, 91 (Minn.2009).

2015See Moormann v. Ryan, 628 F.3d 1102, 1106–07 (9th Cir. 2010); State v. Sellers, 858 N.W.2d 577, 585 (Neb. 2015); Wright v. State, 765 N.W.2d 85, 91 (Minn. 2009).

22
Kelly v. Stategreen
idaho · 2010 · cited in 2 Idaho opinions naming this issue, 2013–2013
2 sentences

2013In order to survive a motion for summary dismissal, post-conviction relief claims based upon ineffective assistance of counsel must establish “the existence of material issues of fact as to whether: (1) counsel’s performance was deficient, and (2) that deficiency prejudiced appellant’s case.” Kelly v. State, 149 Idaho 517, 522 , 236 P.3d 1277, 1282 (2010) (citing Saykhamchone, 127 Idaho at 323 , 900 P.2d at 799 ).

2013In order to survive a motion for summary dismissal, post-conviction relief claims based upon ineffective assistance of counsel must establish “the existence of material issues of fact as to whether: (1) counsel’s performance was deficient, and (2) that deficiency prejudiced appellant’s case.” Kelly v. State, 149 Idaho 517, 522 , 236 P.3d 1277, 1282 (2010) (citing Saykhamchone, 127 Idaho at 323 , 900 P.2d at 799 ).

22
Rodriquez v. Stategreen
idaho · 2023 · cited in 1 Idaho opinions naming this issue, 2025–2025
2 sentences

2025“This Court employs the Strickland two-prong test to determine whether a defendant in a criminal case received effective assistance of counsel.” Rodriquez v. State, 171 Idaho 634, 645 , 524 P.3d 913, 924 (2023).

2025“This Court employs the Strickland two-prong test to determine whether a defendant in a criminal case received effective assistance of counsel.” Rodriquez v. State, 171 Idaho 634, 645 , 524 P.3d 913, 924 (2023).

11
Bracali-Gambinogreen
idaho · 2023 · cited in 1 Idaho opinions naming this issue, 2025–2025
2 sentences

2025Under Strickland v. Washington, 466 U.S. 668, 669 (1984), “an applicant for post-conviction relief must demonstrate: (1) counsel’s performance fell below an objective standard of reasonableness; and (2) there is a reasonable probability that, but for counsel’s errors, the outcome would have been different.” “To establish prejudice resulting from his or her attorney’s performance, a defendant must show that as a result of counsel’s deficient performance there is a reasonable probability that, but for counsel’s errors, he would not have [pleaded] guilty and would have insisted on going to trial.

2025Under Strickland v. Washington, 466 U.S. 668, 669 (1984), “an applicant for post-conviction relief must demonstrate: (1) counsel’s performance fell below an objective standard of reasonableness; and (2) there is a reasonable probability that, but for counsel’s errors, the outcome would have been different.” “To establish prejudice resulting from his or her attorney’s performance, a defendant must show that as a result of counsel’s deficient performance there is a reasonable probability that, but for counsel’s errors, he would not have [pleaded] guilty and would have insisted on going to trial.

11
Mitchell v. Stategreen
idaho · 1998 · cited in 1 Idaho opinions naming this issue, 2019–2019
2 sentences

2019Mitchell v. State, 132 Idaho 274, 277 , 971 P.2d 727, 730 (1998) (referencing Strickland v. Washington, 466 U.S. 668 (1984)).

2019Mitchell v. State, 132 Idaho 274, 277 , 971 P.2d 727, 730 (1998) (referencing Strickland v. Washington, 466 U.S. 668 (1984)).

11
Rosales-Lopez v. United Statesgreen
scotus · 1981 · cited in 1 Idaho opinions naming this issue, 2015–2015
1 sentence

2015This Court “will not second-guess trial counsel’s strategic and tactical choices . . . and we presume trial counsel was competent and that trial tactics were based on sound legal strategy.” State v. Porter, 130 Idaho 772, 792, 948 P.2d 127, 147 (1997). 47 “Voir dire plays a critical function in assuring the criminal defendant that his Sixth Amendment right to an impartial jury will be honored.” Rosales-Lopez v. United States, 451 U.S. 182, 188 (1981).

11
Giles v. Stategreen
idaho · 1994 · cited in 1 Idaho opinions naming this issue, 2004–2004
2 sentences

2004Mathews, 133 Idaho at 306 , 986 P.2d at 329 ; Wood, 132 Idaho at 95 , 967 P.2d at 709 ; Giles v. State, 125 Idaho 921, 924 , 877 P.2d 365, 368 (1994).

2004Mathews, 133 Idaho at 306 , 986 P.2d at 329 ; Wood, 132 Idaho at 95 , 967 P.2d at 709 ; Giles v. State, 125 Idaho 921, 924 , 877 P.2d 365, 368 (1994).

11

Distinguished, questioned or overruled (0)

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

Also cited on this issue (3)

CaseCitedYears
Saykhamchone v. State green
idaho · 1995
2 sentences

2013In order to survive a motion for summary dismissal, post-conviction relief claims based upon ineffective assistance of counsel must establish “the existence of material issues of fact as to whether: (1) counsel’s performance was deficient, and (2) that deficiency prejudiced appellant’s case.” Kelly v. State, 149 Idaho 517, 522 , 236 P.3d 1277, 1282 (2010) (citing Saykhamchone, 127 Idaho at 323 , 900 P.2d at 799 ).

2013In order to survive a motion for summary dismissal, post-conviction relief claims based upon ineffective assistance of counsel must establish “the existence of material issues of fact as to whether: (1) counsel’s performance was deficient, and (2) that deficiency prejudiced appellant’s case.” Kelly v. State, 149 Idaho 517, 522 , 236 P.3d 1277, 1282 (2010) (citing Saykhamchone, 127 Idaho at 323 , 900 P.2d at 799 ).

22013–2013
Thumm v. State green
idaho · 2019
2 sentences

2023“This Court employs the Strickland two-prong test to determine whether a defendant in a criminal case received effective assistance of counsel.” Thumm v. State, 165 Idaho 405 , 412–13, 447 P.3d 853 , 860–61 (2019) (citing Strickland v. Washington, 466 U.S. 668 (1984)).

2023“This Court employs the Strickland two-prong test to determine whether a defendant in a criminal case received effective assistance of counsel.” Thumm v. State, 165 Idaho 405 , 412–13, 447 P.3d 853 , 860–61 (2019) (citing Strickland v. Washington, 466 U.S. 668 (1984)).

12023–2023
State v. Wood green
idaho · 1998
2 sentences

2004Mathews, 133 Idaho at 306 , 986 P.2d at 329 ; Wood, 132 Idaho at 95 , 967 P.2d at 709 ; Giles v. State, 125 Idaho 921, 924 , 877 P.2d 365, 368 (1994).

2004Mathews, 133 Idaho at 306 , 986 P.2d at 329 ; Wood, 132 Idaho at 95 , 967 P.2d at 709 ; Giles v. State, 125 Idaho 921, 924 , 877 P.2d 365, 368 (1994).

12004–2004

Statutes the citing opinions construe

ID § Idaho Code § 19-4903 (7) ID § Idaho Code § 19-2515 (6) ID § Idaho Code § 19-4906 (6) ID § Idaho Code § 19-4901 (4) ID § Idaho Code § 19-4907 (4) ID § Idaho Code § 18-4004A (3) ID § Idaho Code § 19-2017 (3) ID § Idaho Code § 19-2126 (3) ID § Idaho Code § 19-2719 (3) ID § Idaho Code § 19-2827 (3)

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.

Where else courts name it

NJ 79 (1999–2026) TX 21 (1992–2025) MO 12 (1989–2017) ID 11 (2004–2025) FL 10 (2005–2024) MD 4 (1997–2020) IL 3 (1996–2024) KS 2 (1992–2003) NM 2 (2017–2017)

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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