The plaintiffs in a medical malpractice action brought a motion to exclude the defendants' expert witness, a vascular neurosurgeon and interventional neuroradiologist, on the basis of bias.
The court conducted a voir dire and reviewed the expert's reports, past testimony, and relationship with the defendant physicians.
The court found that the expert was not impartial, acted as an advocate, failed to disclose his professional and personal relationship with one of the defendants, and assumed the defendants' evidence was credible while ignoring the plaintiffs' evidence.
The court concluded that the expert was unable and unwilling to comply with his duty to the court and excluded his evidence in its entirety.