Researchers at Tel Aviv University detected an unprecedented 73% of the lies told by participants in a trial based on the contraction of their facial muscles. The technology, already commercialized by Israel’s X-trodes, uses stickers containing electrodes to monitor muscles and nerves.
https://www.timesofisrael.com/liar-liar-reading-faces-israeli-tech-spots-fibbers-with-73-accuracy/
https://en-engineering.tau.ac.il/Engineering-Faculty-Prof-Hanein-exposes-liars