A lie-detecting virtual border official nicknamed “Elvis” is the latest high-tech approach to securing borders in the United States. Developed by University of Arizona researchers in collaboration with U.S. Customs and Border Protection (CBP), the computer is known as the Automated Virtual Agent for Truth Assessments in Real-Time — or AVATAR — kiosk. It uses sensors to screen passengers for unusual physiological responses to questioning — which can indicate a subject is lying.