AVATAR looks for changes in the eyes, voice, posture, and more to determine truthfulness. Civil libertarians remain wary of the machine learning tech.
From schlocky daytime TV (Did you cheat on your girlfriend?) to police interrogations (Did you shoot him?), the old-fashioned polygraph is still considered a reliable way to get to the truth by many people. The trouble is it’s not, and that has been shown over and over again.