As you accumulate course work, conferences, training, and experience during your professional career, it is natural to ask whether and when you can be considered an expert and be tendered…
Who is Qualified to Express an Opinion on Image Comparison?
A fundamental question in the forensic process of image comparison is what qualifies a proposed expert to express such an opinion for the court’s consideration. Various contenders ranging from people…
Use of Force Expert Prohibited from Expressing Opinion on Video Evidence
Jackson v. Catanzariti, 2019 WL 2098991 (U. S. District Court, S.D. Georgia), is a case wherein former prison inmates sued correctional officers for violating their constitutional right to be free…
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…
Does an Expert Witness Need to be Certified?
A question that sometimes arises in the context of expert evidence is whether an expert must be “certified” in order to be an expert witness. There is a frequently espoused…
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…
Are you Qualified to be an Expert Witness? What is the Test?
In an earlier post entitled “Becoming Qualified as an Expert Witness for the First Time” I set out the four key requirements that must be met in order for expert…
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