Is there any case law where an expert has been charged with misconduct while engaged as an expert witness?

The following year, in Robles v. Chalilpoyil, supra, 181 Cal.App.4th 566, 580, footnote 2, 104 Cal.Rptr.3d 628, we addressed a claim arising from the defendant's activities while engaged as an expert witness in a wrongful death action. In one cause of action, the defendant was charged with "(1) falsely testifying in his deposition regarding his presence at the product-testing session and (2) failing to continue to act as an independent expert and/or disrupting the prosecution of the [previous] case by entering into a business relationship " impairing his utility as an expert. ( Id. at pp. 575576, 104 Cal.Rptr.3d 628.) "The conduct described in

[174 Cal.Rptr.3d 101]