Evidence Required to Authenticate Surveillance Video: Part 1
Most serious cases have surveillance video evidence that may prove to be valuable. When I have such a case, my first task is to ascertain how I will authenticate the video. From experience, I know that I need evidence that covers three key areas: CCTV System: Details of the CCTV system that recorded...
Evidence Required to Authenticate Surveillance Video: Part 2
In an earlier post, I set out the evidence that was required in order to properly authenticate surveillance video, namely evidence about the system that captured the images, exporting and post-exporting processing of the images. Depending on the case, this may require as many as three witnesses or as few as one. Below...
Computer Generated Evidence: What Must the Expert Know?
In many areas of scientific expertise, computers are used to generate what will often be used as evidence in court. Examples include video image clarifications, 2D and 3D modelling, collision simulations, crime scene diagrams, etc. A common tactic used in court is for opposing counsel to grill the expert on his/her knowledge of...
Video Evidence
The admissibility of video evidence at trial is contingent upon the tendering party establishing the authenticity of the video. Authentication is the process of proving that the video images are in fact that which is purported. It must be established that the video accurately depicts what is shown and that no material changes...