authentication challenge (California) · Go Syfert
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authentication challenge in California

5 California opinions name it 1 courts 2013–2026 2 in the last five years

The cases below were cited by California 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 (6)

CaseFollowedCited
People v. Torrezgreen
calctapp · 1995 · cited in 2 California opinions naming this issue, 2013–2013
2 sentences

2013(See People v. Prieto (2003) 30 Cal.4th 226, 261 [“counsel’s decision to forgo implausible arguments or objections does not constitute deficient performance”]; People v. Torrez (1995) 31 Cal.App.4th 1084, 1091 [counsel is not required to make futile motions to appear competent].) Y.’s testimony was corroborated by Detective Ebert’s testimony in the trial court and by declaration here.

2013(See People v. Prieto (2003) 30 Cal.4th 226, 261 [“counsel‟s decision to forgo implausible arguments or objections does not constitute deficient performance”]; People v. Torrez (1995) 31 Cal.App.4th 1084, 1091 [counsel is not required to make futile motions to appear competent].) Y.‟s testimony was corroborated by Detective Ebert‟s testimony in the trial court and by declaration here.

22
People v. Lewisgreen
cal · 2006 · cited in 2 California opinions naming this issue, 2013–2013
2 sentences

2013(See People v. Lewis and Oliver (2006) 39 Cal.4th 970, 992 [affirming denial of motion for discovery of police personnel records finding defendant’s “grandiose” allegations of a police conspiracy to frame him were not plausible].) 23 Based on the foregoing, we confidently conclude the recording of the library confrontation would have survived an authentication challenge.

2013(See People v. Lewis and Oliver (2006) 39 Cal.4th 970, 992 [affirming denial of motion for discovery of police personnel records finding defendant‟s “grandiose” allegations of a police conspiracy to frame him were not plausible].) Based on the foregoing, we confidently conclude the recording of the library confrontation would have survived an authentication challenge.

22
People v. Prietogreen
cal · 2003 · cited in 2 California opinions naming this issue, 2013–2013
2 sentences

2013(See People v. Prieto (2003) 30 Cal.4th 226, 261 [“counsel’s decision to forgo implausible arguments or objections does not constitute deficient performance”]; People v. Torrez (1995) 31 Cal.App.4th 1084, 1091 [counsel is not required to make futile motions to appear competent].) Y.’s testimony was corroborated by Detective Ebert’s testimony in the trial court and by declaration here.

2013(See People v. Prieto (2003) 30 Cal.4th 226, 261 [“counsel‟s decision to forgo implausible arguments or objections does not constitute deficient performance”]; People v. Torrez (1995) 31 Cal.App.4th 1084, 1091 [counsel is not required to make futile motions to appear competent].) Y.‟s testimony was corroborated by Detective Ebert‟s testimony in the trial court and by declaration here.

22
People v. Goldsmithgreen
cal · 2014 · cited in 2 California opinions naming this issue, 2023–2026
2 sentences

2026(See People v. Goldsmith (2014) 59 Cal.4th 258, 267 [to satisfy the authentication requirement, the proponent of the evidence must show it accurately depicts what it purports to be].) Beyond that, the trial court found Walker’s statements were self- serving hearsay that failed to satisfy any exception to the hearsay rule.

2023(People v. Goldsmith (2014) 59 Cal.4th 258, 267 .) Some courts have interpreted that to mean the proponent must produce testimony from someone who can personally attest to the genuineness of the subject photo or video, to ensure it is not a fake or has not been altered in some way.

12
People v. Williamsgreen
calctapp · 2000 · cited in 1 California opinions naming this issue, 2023–2023
1 sentence

2023(See People v. Williams (2000) 78 Cal.App.4th 1118, 1126 [taking up forfeited issue “to forestall a petition for writ of habeas corpus based on a claim of ineffectual counsel”].) To satisfy the authentication requirement for a photograph or a video recording, the proponent of the evidence must prove it is a fair and accurate representation of the scene depicted.

11
People v. K.B.green
calctapp · 2015 · cited in 1 California opinions naming this issue, 2016–2016
2 sentences

2016Accordingly, the trial court did not err in admitting the page for the jury to determine whether he authored it.” {Id. at p. 1435.) The court emphasized that “the proponent’s threshold authentication burden for admissibility is not to establish validity or negate falsity in a categorical fashion, but rather to make a showing on which the trier of fact reasonably could conclude the proffered writing is authentic.” (Id. at p. 1437.) Similarly in In re K.B. (2015) 238 Cal.App.4th 989, 997 [ 190 Cal.Rptr.3d 287 ], the court found incriminating photographs from a cell phone, including website scree

2016Accordingly, the trial court did not err in admitting the page for the jury to determine whether he authored it.” {Id. at p. 1435.) The court emphasized that “the proponent’s threshold authentication burden for admissibility is not to establish validity or negate falsity in a categorical fashion, but rather to make a showing on which the trier of fact reasonably could conclude the proffered writing is authentic.” (Id. at p. 1437.) Similarly in In re K.B. (2015) 238 Cal.App.4th 989, 997 [ 190 Cal.Rptr.3d 287 ], the court found incriminating photographs from a cell phone, including website scree

11

Distinguished, questioned or overruled (0)

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

Also cited on this issue (1)

CaseCitedYears
People v. Valdez green
calctapp · 2011
2 sentences

2016(Id. at pp. 517-518.) In People v. Valdez (2011) 201 Cal.App.4th 1429 [ 135 Cal.Rptr.3d 628 ], the court rejected the defendant’s authentication challenge to the prosecution’s introduction of a “MySpace social media Internet page,” which the prosecution’s gang expert had relied on. {Id. at p. 1431.) The court reasoned: “Although Valdez was free to argue otherwise to the jury, a reasonable trier of fact could conclude from the posting of personal photographs, communications, and other details that the MySpace page belonged to him.

2016(Id. at pp. 517-518.) In People v. Valdez (2011) 201 Cal.App.4th 1429 [ 135 Cal.Rptr.3d 628 ], the court rejected the defendant’s authentication challenge to the prosecution’s introduction of a “MySpace social media Internet page,” which the prosecution’s gang expert had relied on. {Id. at p. 1431.) The court reasoned: “Although Valdez was free to argue otherwise to the jury, a reasonable trier of fact could conclude from the posting of personal photographs, communications, and other details that the MySpace page belonged to him.

12016–2016

Where else courts name it

TX 80 (1876–2026) OH 38 (1998–2026) PA 17 (1909–2025) IN 12 (1999–2020) NJ 10 (1994–2026) NY 9 (1952–2026) NM 8 (2021–2026) VA 8 (1998–2024) SC 8 (2009–2026) MS 7 (1991–2022) WI 7 (1986–2005) AL 6 (2011–2025) CA 5 (2013–2026) CT 5 (1975–2021) DE 5 (2017–2026) IL 5 (2018–2023) AK 4 (1990–2021) WA 4 (2002–2024) CO 3 (1985–2018) MI 3 (2007–2025) OK 3 (2017–2019) GA 3 (2016–2025) NE 3 (2005–2015) NV 2 (2025–2025) TN 2 (2015–2015) MD 2 (2015–2023) ID 2 (2024–2024) AZ 2 (2017–2022) MN 2 (1993–1997) IA 2 (2018–2021) HI 2 (2005–2015)

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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