California, United States of America
The following excerpt is from People v. Silberman, F070893 (Cal. App. 2016):
1. The introduction of such evidence without objection typically forfeits any claim its introduction was erroneous. (People v. Partida (2005) 37 Cal.4th 428, 433-434; see also People v. Medina (1995) 11 Cal.4th 694, 729 [failure to object to allegedly improper lay opinion forfeited argument evidence was wrongly admitted].)
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