In order to offer CGVE as substantive evidence there are several potential evidentiary objections one must anticipate and overcome.
In offering CGVE to a jury, one must stress the fact that there is a presumption in favor of admissibility.
By extension, there is no reason to believe that the probative power of CGVE should render it automatically prejudicial.
Another question is whether the CGVE meets scientific standards of admissibility.
Federal court cases reviewing the admissibility of CGVE have interpreted Daubert as creating a flexible standard and have favored the admission of this type of evidence.
As practical suggestions, the following short outline may be helpful in assessing the scientific admissibility issues likely to arise regarding CGVE.