Can a defendant bring a motion for a new trial because the jury was tainted when the prosecutor shifted the burden of proof to the defense?

Defendant claims the trial court should have granted his motion for a new trial because the jury was tainted when the prosecutor shifted the burden of proof to the defense. When a claim " 'focuses upon comments made by the prosecutor before the jury, the question is whether there is a reasonable likelihood that the jury construed or applied any of the complained-of remarks in an objectionable fashion.' [Citation.]" (People v. Prieto (2003) 30 Cal.4th 226, 260.)

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