In People v. Jacobson (1965) 63 Cal.2d 319, the defendant made approximately 10 separate admissions or confessions, of which the last 2, made at the police station during and after booking, were objectionable because of the absence of Miranda warnings. Noting that no undue emphasis was placed on any of the confessions at defendant's trial, that each person who had witnessed defendant make an incriminating statement testified as to what he had heard, that no one confession contained details significantly different from the others, and that the sequence of confessions precluded the possibility that the legally obtained confessions were "induced" by those subsequently improperly obtained, the court concluded that Jacobson's was a "rare case" in which it could be said that there was no reasonable possibility that the evidence complained of might have contributed to the conviction (pp. 330-331).