I have recently published an article in the scientific journal Forensic Science International: Synergy. Here is the abstract: Expert image comparison evidence can be a vastly helpful tool in the…
Audio Interview About Digital Video Evidence
The Excellence in Training Academy (excellenceintrainingacademy.com), a resource dedicated to law enforcement training, interviewed me recently on the subject of digital video evidence and some of the issues pertaining 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…
Case Study: How a YouTube Rap Video was Used to Convict a Defendant
Video uploaded to social media sites must be authenticated in order to be admissible. The question of what level of proof is required to meet the authentication requirement was explored recently…
Case Study: Authenticating Facebook Video – “We Live!”
The admissibility of Facebook video was at issue in Lamb v. State of Florida, 246 So.3d 400 (2018) (District Court of Appeal of Florida, Fourth District). The defendant was being tried for…
Case Study: Facial Recognition Evidence Premised on Surveillance Video Rejected Due to Unreliability
A recent California case provides yet another illustration of how conclusions premised on the analysis of images obtained from surveillance video must be reached by people who have forensic video…
Case Study: Vehicle Speed Determination Based on Video Evidence Rejected as Being Unhelpful
Determining the speed of motor vehicles involved in collisions is central to virtually all cases where fatalities have occurred. I have prosecuted countless criminal driving fatality cases wherein speed was integral…
Case Study: Vehicle Speed Determination from Video Evidence – Video Evidence Excluded Due to Unreliability and Failure to Authenticate
State of New Hampshire v. Witty (unreported, November 25/15, New Hampshire Superior Court, Southern District, Docket No. 226-2014 CR-00568) is an interesting case wherein the state sought to lead vehicle…
Case Study: Trial Judge Performs Image Comparison When Crown Fails to Present Expert Evidence
In R. v. Ermine, 2018 SKQB 77 (Saskatchewan Court of Queen’s Bench), the trial judge was placed in the position of having to conduct his own video analysis because the…
The Court Needs the Best Video Evidence Available: Why a Qualified Forensic Video Expert is Essential
The function of a trial court is to decide the legal dispute that is brought before it by the litigants. In a criminal case, it is the state that charges…
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