Can a prosecutor comment on a witness's credibility?

However, these limits do not wholly preclude a prosecutor from commenting on a witness's credibility. "'"[A] prosecutor is given wide latitude during argument. The argument may be vigorous as long as it amounts to fair comment on the evidence, which can include reasonable inferences, or deductions to be drawn therefrom."'" (People v. Ward (2005) 36 Cal.4th 186, 215.) "[S]o long as a prosecutor's assurances regarding the apparent honesty or reliability of prosecution witnesses are based on the 'facts of [the] record and the inferences reasonably drawn therefrom, rather than any purported personal knowledge or belief,' her comments cannot be characterized

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