Mealey's ( July 12, 2019, 12:20 PM EDT) -- CHICAGO — In an indictment unsealed July 10, a federal grand jury in Illinois charged a Chicago-based locomotive manufacturer’s former software engineer with theft of trade secrets in violation of the Defend Trade Secrets Act (DTSA), in connection with his alleged theft of more than 3,000 electronic files containing the company’s proprietary and trade secret information (United States of America v. Xudong Yao, No. 17-cr-795, N.D. Ill.)....