Introduction I attended the meeting of the Forensic Digital Media Analysis Working Group, organized and presented by the Chartered Society of Forensic Sciences, in Birmingham, UK on October 21, 2019. One…
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…
In Search of the Truth: Why Experts Matter
During my career as a Crown Prosecutor, my goal has been to ascertain the truth as to what happened in any given incident because it is only upon discovering 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…
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…
Image Comparison Evidence: The Canadian Experience
Image comparison evidence has been used frequently in Canadian courts where favorable rulings have been made on the use of such evidence in identifying vehicles, clothing and other objects, and…
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