What efforts might have been made by the prosecution to produce the witness after her absence became known?

What efforts the prosecution might have made to produce the witness after her absence became known is not an issue here since it expressly offered to make the witness available But appellants declined such offer. The failure of this calculated trial tactic to produce a result satisfactory to appellants cannot now be converted into a ground upon which to predicate[269 Cal.App.2d 584] a reversal. As stated in People v. Woods, Supra, 265 A.C.A. 803, 807, 71 Cal.Rptr. 583, 586: