5 Things Every Detective Knows About Reading People

A former detective with hundreds of interviews behind him distills what actually distinguishes professional people-reading from the body-language folklore that dominates popular advice. Mason argues most of what passes for "reading people" online is wrong because it focuses on isolated cues; experienced detectives look at consistency under cognitive load, baselines, deviations from baseline, micro-decisions under pressure, and verbal-versus-non-verbal mismatches. Five rules drawn from professional interrogation rooms.