By Tony Hanson

PHILADELPHIA (CBS) — Defendant Padge Victoria Windslowe, charged in a black market beauty enhancement murder case, is expected back on the stand for more cross-examination today.

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On Friday, there were several sharp exchanges, allegations, and counter allegations as the prosecutor grilled her.

Several women – clients – testified that Windslowe routinely represented herself as a physician’s assistant or nurse practitioner. Windslowe initially denied it, but later acknowledged she had claimed to be a physician’s assistant after being confronted with a solicitation email she sent to prospective customers in which she stated she was a practicing physician’s assistant.

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Windslowe has also challenged testimony about the suffering of victims shortly after injections. She says she didn’t see it, and she suggested prosecutorial misconduct — that witnesses lied — saying she is very aware how prosecutor Carlos Vega preps his witnesses.

Later as they sparred over a date, Vega challenged her, saying, “the year you killed Claudia.” He was referring to Claudia Aderotimi, who died after a silicone injection.

The Judge sustained a defense objection, but Windslowe told Vega, “You are so mean.”

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Windslowe maintains she wanted to do good, and thought what she was doing was safe.