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每当警方抓到一个犯罪嫌疑人时,审讯是常用的手段之一。如果某个嫌疑人就是真凶,他们的第一反应是尽量隐瞒自己的罪行,或者避重就轻,交代一些轻的罪行,而隐瞒一些重大的罪行。此时,审讯人员就得尽力识别犯罪嫌疑人的说法中哪些是谎言,哪些是真相。在测谎仪发明之前,审讯人员往往会采用一些特殊的方法去分析犯罪嫌疑人的供词,并观察他们的表情和其他肢体语言,以此判断哪些是谎言。在测谎仪发明之
Interrogation is one of the commonly used methods whenever police catch a suspect. If a suspect is a real culprit, their first reaction is to hide their crimes as much as possible, or to avoid any negligence, confessed some minor crimes and concealed some major crimes. At this point, interrogators have to try their best to identify what the suspects say lies and what is the truth. Before the invention of the polygraph, interrogators often used special methods to analyze the suspects’ confessions and observe their expressions and other body language to determine which lies. Invented by polygraph