State v. J.Q.

The opinion of the Court was delivered by

O’HERN, J.

This appeal concerns the use of expert opinion testimony to aid jurors in the criminal trial of a child-sexual-abuse case. The specific issue concerns expert-opinion evidence premised on the Child Sexual Abuse Accommodation Syndrome (CSAAS), and whether there is a reliable scientific explanation for certain exhibited characteristics of an abused child, such as acceptance of the abuse or delayed reporting, that would help jurors understand why a child victim would not complain to a parent or other authority figure about the abuse. We hold that…