EVM is a another tool in covert detection of deception or emotional state. For fun try running EVM on historical footage of Mitchell during Watergate or Bills denial of "knowing"
Monica. When used in conjuction with realtime microtremor analyis of voice, we may recognize deception or emotional state in historical footage or in real time.
For years now some of the three letter agencies are said to use IR imagery to detect subtle changes in blood flow and pupillary dilation as an investigative tool
The merging of the faces in the wild facial recognition software,microtremor voice analysis and EVM in the newer google glass apps will make border crossings more risky for smugglers,
used car salesmen and politicans to deceive us but at what cost to liberty?