Ruan Related Insights & Resources

Timothy Munzing is an “expert witness” who has testified extensively for the Government in opioid cases against physicians. Until inconsistent testimony resulted in an overturned verdict, he was widely used. Federal Defense Attorney Ronald Chapman cross-examines Munzing during the prelim of a Macomb County Michigan Doctor accused of overprescribing.

A post Ruan challenge heads to the Supreme Court. Convicted of unlawful prescribing, Dr. Roger Dale Anderson heads to the Supreme Court after the Sixth Circuit Court of Appeals stuck down his request to apply Supreme Court Precedent. Federal Criminal Appellate Attorney Ronald W. CHAPMAN II represents Anderson in asking...

Securing acquittal in opioid prescribing or “pill mill” cases is a daunting task. Federal criminal defense attorney Ronald Chapman is

In the unanimous Supreme Court decision, Ruan v. United States, the Supreme Court struck down the application of objective standards as a vehicle for opioid prosecutions against physicians accused of unlawful prescribing. The Supreme Court paves the way for a more tailored approach to measuring physician conduct.