Guns
Arizona Supreme Court Rules Trial Judge Should Have Let Defense Expert Impeach State Firearms Expert
2/4/16 Arizona Rules of Evidence, Rule 702 allows an expert witness to testify if, among other things, the witness is qualified and the expert’s scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence. Trial courts serve as the “gatekeepers” of admissibility for expert testimony, with the aim of…