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…
Case Study: Failure to Authenticate Surveillance Video Leads to Exclusion of Evidence
Authentication is a prerequisite for the admissibility of video evidence. As discussed in several articles on this website, failure by the tendering party to lead sufficient reliable evidence to prove…
Peer Review: The Obligations of the Peer Reviewer and the Expert
Peer review is an often overlooked but important step in the finalization of an expert report. Once an expert has completed his/her expert report, especially one in which the expert…
Narrating Video Evidence: Helping to Tell the Story
Rarely can we expect the trier of fact to watch video evidence and fully understand both the overall picture of what happened and specific pertinent details. The trier of fact…
Case Study: Expert Witness Claims Expertise Not Actually Present
In a previous post entitled “Interpreting Video Images: The Role of the Forensic Video Analyst,” I discussed the important role that a forensic video analyst can play in providing expert…
Interpreting Video Images: The Role of the Forensic Video Analyst
Do you see what I see? Looking at video evidence does not mean that you will actually see all that the video has to offer. Expert interpretation of video evidence…
Frame Rate: Understanding the Impact of Frame Rate on Video Interpretation
Surveillance video does not always have a frame rate that allows for continuous or near continuous recording of an event. Frame rates may be reduced to account for multiple camera…
Image Compression: Are Our Eyes Deceiving Us?
Digital compression of video images is a common occurrence. There are legitimate and laudatory reasons for such compression. Among those reasons are the fact that more data can be stored…
Editing of Images: When Do You Cross the Line?
Related to concerns with authentication, one of the most pervasive suspicions regarding digital image evidence is that the images have been surreptitiously edited in such a manner as to present…
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