Magistrate Judge McShain was sworn in as a United States Magistrate Judge in the Northern District of Illinois on May 1, 2020.

Judge McShain obtained a B.S. in Mathematics from the University of Notre Dame and a J.D. from Notre Dame Law School. After law school, Judge McShain served as a law clerk to Judge William Lee, United States District Court for the Northern District of Indiana and Judge Robert Cowen, United States Court of Appeals for the Third Circuit.

After clerking, Judge McShain worked as an associate at Jones Day in Washington, D.C. and served as an Assistant United States Attorney for seven years in the Civil Division within the United States Attorney’s Office for the Southern District of New York. Judge McShain next served for ten years as an Assistant United States Attorney in the Northern District of Illinois, where she most recently held the position of Deputy Chief in the Financial Crimes Section and supervised the Health Care Fraud Unit. Judge McShain also served as a Deputy Chief in General Crimes and a line Assistant United States Attorney in the General Crimes, Financial Crimes, and Public Corruption and Organized Crime Sections.

Judge McShain currently serves as an Adjunct Professor of Law at Notre Dame Law School. Judge McShain also presides over the Veterans Treatment Court—a diversion court that seeks to assist veterans with substance abuse or mental health issues with recurrent arrests. The Court seeks treatment as an alternative to jail time.