Can an expert witness whose opinion is based on inadmissible material describe the material that forms the basis of the opinion?
California, United States of America
The following excerpt is from People v. Simon, 2d Crim. No. B260444 (Cal. App. 2015):
which it is based,' an expert witness whose opinion is based on such inadmissible matter can, when testifying, described the material that forms the basis of the opinion." (People v. Gardeley, supra, 14 Cal.4th at p. 618.)
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