What is the current state of the law on the use of expert police officer opinion evidence in criminal cases?

California, United States of America


The following excerpt is from People v. Perez, B246331 (Cal. App. 2014):

In People v. Garcia (2007) 153 Cal.App.4th 1499, at pages 1512 to 1513, the court summarized the general rules concerning the use of expert police officer opinion evidence for proving a gang enhancement.

Page 13

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