California, United States of America
The following excerpt is from People v. Smith, B278416 (Cal. App. 2017):
2. Cases discussing Evidence Code section 1108, the analogous provision for admission of prior sexual offenses, similarly have concluded there is no set time limit defining what prior acts are too remote and that even a prior act from 20 years earlier is not per se inadmissible. (See, e.g., People v. Waples (2000) 79 Cal.App.4th 1389, 1394-1395.)
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