Shawn S. Tiller Shawn S. Tiller
Executive Director
Criminal Investigation

Shawn S. Tiller was named Executive Director, Refund Crimes, IRS Criminal Investigation in August 2014. Reporting directly to the Deputy Chief, Criminal Investigation, Shawn is responsible for guiding the activities of Refund Crimes headquarters staff and employees in eight Scheme Development Centers located across the United States.

Shawn began his federal law enforcement career with the U.S. Postal Inspection Service. During his tour with their Los Angeles Division he conducted mail theft, identity theft and robbery investigations and helped create the Los Angeles Identity Theft and Economic Crimes Task Force (ITEC) targeting international financial organized crime. He received the Distinguished Achievement Award from the Los Angeles Federal Bar Association for his role in the resolution of several letter carrier robberies.