GE Engineer charged with stealing trade secrets for China.

Zheng is accused of stealing trade secrets belonging to his employer, GE, federal prosecutors said in a prepared statement. He is specifically accused of using “an elaborate and sophisticated means to remove electronic files” involving GE turbine technology trade secrets.
He did so by using a system called steganography to hide the data inside an innocuous looking digital picture of a sunset and then emailing that picture and the stolen files to his personal email account, prosecutors said.

and…

Investigators found a handbook explaining Chinese government resources to those who can provide certain technology. His passport showed five trips to China over the past two years and various electronic items. The electronics were to be analyzed