California, United States of America
The following excerpt is from People v. Becerra, E073121 (Cal. App. 2020):
669.) Indeed, "[t]he uncorroborated testimony of a single witness is sufficient to sustain a conviction, unless the testimony is physically impossible or inherently improbable." (People v. Scott (1978) 21 Cal.3d 284, 296.) In short, reversal is appropriate only where "it appears 'that upon no hypothesis whatever is there sufficient substantial evidence to support [the conviction].'" (People v. Bolin (1998) 18 Cal.4th 297, 331.)
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