Profiling evidence is sometimes used by the prosecution to help jurors decide on the facts as well as credibility of witnesses.
Profiling expert testimony is not always admissible and is a decision for the court. Consideration is based upon the rules of criminal evidence, and the content of the expert witness’s planned testimony. If improper witness testimony is admitted, it can potentially lead to an unfair guilty verdict.
Arizona Courts may also consider admissibility of “cold” witness testimony in which an expert offers an opinion on general principles without applying them to the facts of a case. This article takes a closer look at the admissibility of “cold” expert testimony and profiling evidence in the prosecution of domestic violence charges..