Subject: RE: Lie detector tests Yes, they do. I've had several as part of employment for, as TriRSquared put it, a specific government law enforcement agency with a 3-letter acronym. And yes, it is NOTHING like what is depicted in media, which really annoys me. There is absolutely no movement--no twitching noses, shifting, deep breaths, nothing. You barely move your lips to utter "yes" or "no". My dad recently retired after 40 years in law enforcement, and he uses/used standard polygraph, stress analysis, voice stress analysis, and kinesic interviewing. His take on polygraphs is the following: "You can fool the box or the investigator, but you won't fool both." The polygraph results were less interesting to him than the reactions and the information discussed in the interview. In his experience, by the time they actually ran the polygraph process, the detective or investigator would already know what the results would be. |