Man Pleaded Guilty To Lying To FBI About Possession Of Confidential Aviation Company Data Federal agents say the man tried to leave the country with confidential aviation company data from a major aviation firm based in Wichita, Kan. Junjie Zhang, also known as Jeff Zhang, 57, of Tulsa, admitted to one count of making a false statement in the United States District Court for the District of Kansas, in Kansas City, Kansas.Zhang, a naturalized United States citizen originally from China, worked for an aviation company in Wichita. His position as a senior material and process engineer provided him access to confidential data and proprietary information. In 2018, Zhang’s employer reported him to the Federal Bureau of Investigation (FBI) after an incident during a work trip to China where he displayed suspicious behavior.