CALJIC No. 8.72 reads: "If you are convinced beyond a reasonable doubt and unanimously agree that the killing was unlawful, but you unanimously agree that you have a reasonable doubt whether the crime is murder or manslaughter, you must give the defendant the benefit of that doubt and find it to be manslaughter rather than murder." In People v. Dewberry (1959) 51 Cal.2d 548, 555, the California Supreme Court held that "when the evidence is sufficient to support a finding of guilt of both the offense charged and a lesser included offense, the jury must be instructed that if they entertain a reasonable doubt as to which offense has been committed, they must find the defendant guilty only of the lesser offense."