Can You Catch This 0.2 Second Lie? FBI Micro expression Test FBI agents are trained to detect microexpressions - facial movements lasting just 0.2 seconds that reveal true emotions before conscious control kicks in. These involuntary expressions expose lies instantly, even when someone thinks they're hiding their deception perfectly. Watch how facial muscles betray liars through micro-movements they cannot control. This is one of 6 FBI lie detection secrets I break down in my full video. Subscri