What is the test for establishing that events or acts have been "indisputably" committed?

⁸ The events or acts may have "indisputably" occurred, as in Hempstead , but this is not a requirement. It is enough that "the cross-examiner ha[s] in his possession information that reasonably leads him to believe that the acts of conduct by defendant have in fact been committed or the reports of their commission have been generally circulated. [Citation.]" (People v. Pic'l (1981) 114 Cal.App.3d 824, 891, 171 Cal.Rptr. 106, disapproved on other grounds by People v. Kimble (1988) 44 Cal.3d 480, 488, 244 Cal.Rptr. 148, 749 P.2d 803.)