People v. Vasquez

*1022I.

INTRODUCTION

"[D]emonstrative evidence [is] offered to help a jury understand expert testimony or other substantive evidence...." ( People v. Duenas (2012) 55 Cal.4th 1, 20, 144 Cal.Rptr.3d 820, 281 P.3d 887 ( Duenas ).) Demonstrative *1023evidence is "not offered as substantive evidence, but as a tool to aid the jury in understanding the substantive evidence." ( Id. at p. 25, 144 Cal.Rptr.3d 820, 281 P.3d 887.)

In this case, during the prosecutor's redirect examination of an alleged child molestation victim (P.C.), the trial court permitted the People to display to the jury an approximately…