Can an aider and abettor be held liable for the commission of a very serious crime?

In People v. Solis, supra, 20 Cal.App.4th at page 272, 25 Cal.Rptr.2d 184, the court stated that an aider and abettor can "become liable for the commission of a very serious crime" committed by the aider and abettor's confederate even though "the target offense contemplated by his aiding and abetting may have been trivial." Rarely, if ever, is that true. Murder, for instance, is not the "natural and probable consequence" of "trivial" activities. To trigger application of the "natural and probable consequences" doctrine, there must be a close connection between the target crime aided and abetted and the offense actually committed.