Recent Canadian Cases on Image Authentication
Several times a year I conduct a comprehensive search of recent reported case law on topics related to video evidence, forensic video analysis, and pertinent expert witness testimony issues. This provides me with new case law that illustrates how courts are assessing and deciding relevant litigated issues on these topics. This brief article...
Chickens Come Home to Roost When Covert Videos Alleging Animal Mistreatment are Ruled Admissible
Covert video recordings taken at the behest of an animal rights organization provide potentially valuable evidence in a prosecution alleging animal cruelty. In R. v. Elite Farm Services Ltd., 2021 BCSC 1583 (British Columbia Supreme Court), the defence challenged the admissibility of video evidence that the Crown sought to tender at trial. The purpose...
Image Alteration (Forgery) Detection: An Overview of Passive Techniques
One of the most palpable concerns about digital media is whether it can be trusted. One of the topics that I am researching and writing about in my PhD is the authentication of digital media. In this article, I provide an overview of passive forgery detection techniques. I have not included academic and...
Image Alteration (Forgery) Detection: An Overview
One of the most palpable concerns about digital media is whether it can be trusted. One of the topics that I am researching and writing about in my PhD is the authentication of digital media. In this article and the article that will follow, I provide an overview of active and passive forgery...
Appellate Courts Weigh in on Authentication of Digital Media in Canada
Authentication of digital media by the tendering party is a precondition for admissibility at trial. The focus of this article is on assessing what level of proof is required in order to meet this requirement and the practical implications of this standard of proof. This article addresses the law and practice in Canada....
Should Video Recordings of Monitors be Ruled Authentic?
In order to make sound, informed decisions about the content of videos tendered as evidence, it is preferable to have the original recording, or a copy that has been verified to be accurate, available for viewing and examination. Ordinarily, this is achieved by exporting the video files from the camera, DVR, server, computer...
Appellate Ruling on Authentication: Speculation of Impropriety Not Enough
Should video evidence be ruled inadmissible because an expert raises potential concerns regarding its authenticity? Mere speculation is insufficient to dislodge a prima facie showing of threshold authenticity according to the Court of Appeals of Oregon in State v. Sassarini, 300 Or.App 106 (Or.App., 2019), 452 P.3d 457. The Facts A dispute between neighboring property owners...
The Admissibility of Video and Photographs Posted to Social Media: Inconsistent Court Rulings
Video and photographs posted to social media sites often have value for the prosecution. The challenge posed by social media evidence is authenticity and even though the law is quite well established, the application of it varies from case to case. In this article, I will review three US cases with disparate rulings....
Anonymous Videos Used to Take Children Away from Mother in Child Welfare Trial: Colorado Court of Appeals Weighs in on Authentication
In People In Interest of M.V., 432 P.3d 628, 2018 WL 5988705, the Colorado Court of Appeals was asked to review the decision of a trial judge ordering that a mother’s children be adjudicated as dependent and neglected, thereafter imposing a treatment plan for the mother and removing the children from her custody. Central to...
Authentication of Social Media and Other Videos in Northern Ireland Terrorism Cases
Courts in Northern Ireland have made important admissibility rulings regarding the authentication of videos presented as evidence in terrorism cases. One case addresses the admission of key video evidence when no authentication witnesses were called at all while the second case deals with the admissibility of unsupported video as well as questionable video posted...