After many years of leading and relying upon image-based evidence in the courtroom, teaching international imagery law in several countries, and recently being awarded a PhD from Leiden University in…
The Case for Restricting Comparison Opinion Evidence on Identification by Lay Witnesses
What is the scope for video technicians or analysts to offer their opinion on the identification of suspects observed in CCTV and other images based solely on their observation of…
Next Online Courtroom Testimony for Expert Witnesses Course Announced: June 23 -25, 2025 (This is the only class scheduled for 2025!)
The online Courtroom Testimony for Expert Witnesses course has continually been a great success! We have had participants from across Canada and the US, the UK, Norway, Australia, and New Zealand. The…
Authentication Via Circumstantial Evidence: A Case for Social Media Images
Can a screenshot of a single image from a cell phone video recorded by an unknown person located on an unidentified Facebook account where the video was deleted shortly after…
The Application of the EU Artificial Intelligence Act to Facial Recognition Technologies used by Law Enforcement Agencies
As artificial intelligence (AI) continues to make inroads into various facets of our lives, some favourably, others less so, it is not surprising that governments are trying to regulate the…
Reminder – Request for your assistance in multi-national image-based evidence research survey
This request for assistance went out one month ago and while there has been a reasonably good response, many more participants are needed to provide sufficient data for analysis. Please…
Request for your assistance in multinational image-based evidence research survey
I am one of five researchers from the UK, US, and Canada undertaking a new research project surveying investigators who use image-based evidence as part of their criminal investigation work…
Advanced Visual Representations in International Criminal Prosecutions – Update
Earlier in 2024, I published an article on this site regarding the pending judgment of the International Criminal Court (ICC) in the case of Prosecutor v. Al Hassan. On June…
The Satellite Era: How Earth Observation Data is Being Mobilized as Potential Digital Evidence
[The following is the text of an informative article written by a Leiden University (Netherlands) colleague, Sabrina Rewald, and me. It was published on July 1, 2024, in the European…
Height Determination Through Photogrammetry: Expert Evidence Rejected by Court
When only one expert witness is presented at trial, the Court may find it difficult to critically evaluate the expert evidence. If the evidence is not controversial and both sides…
Appellate Court Provides Helpful Guidance on Video Narration
First time viewers of video recordings will often gain an increased understanding of the events depicted at both a macro and micro level if their observations are supplemented with competent…
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