California, United States of America
The following excerpt is from People v. Osuna, B221361 (Cal. App. 2011):
the commission of the offense . . . ." (People v. Beeman (1984) 35 Cal.3d 547, 561.) Presence at the scene of a crime is insufficient to establish aiding and abetting liability. (People v. Laster (1971) 18 Cal.App.3d 381, 388.) However, "'companionship, and conduct before and after the offense'" are relevant to determining whether a defendant aided and abetted a crime. (People v. Campbell (1994) 25 Cal.App.4th 402, 409.)
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