Three Chinese banks are using lie detectors on customers -- and they have no idea

Dima Korotayev/Getty Images At least three of China’s large state-owned banks are using lie detectors without the knowledge of their customers, according to official government media. The Bank of China, Agricultural Bank of China and China Construction Bank were among a number of financial institutions that have been collaborating with the Chinese Academy of Sciences on implementing the latest polygraph technology in financial services to improve “marketing”, “efficiency” and “securi...