The radical future of interrogation

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Robert Kolker writes: The trouble with modern interrogation technique… is that, despite its scientific pose, it has almost no science to back it up. Reid and Inbau [authors of Criminal Interrogation and Confessions, which in 1962 set the mold for police interrogations in America] claimed, for instance, that a well-trained investigator could catch suspects lying with 85 percent accuracy; their manual instructs detectives to conduct an initial, nonaccusatory “behavioral analysis interview,” in which they should look for physical tells like fidgeting and broken eye contact. But when German forensic psychologist Günter Köhnken actually studied the matter in 1987, he found that trained police officers were no better than the average person at detecting lies. Several subsequent studies have cast doubt on the notion that there are any clear-cut behavioral tells. (Truth tellers often fidget more than liars.) In fact, the more confident police officers are about their judgments, the more likely they are to be wrong.

But the scientific case against police interrogations really began to mount in the early 1990s, when the first DNA-based exonerations started rolling in. According to the Innocence Project, a group dedicated to freeing the wrongfully imprisoned, about a third of the 337 people who’ve had their convictions overturned by DNA evidence confessed or incriminated themselves falsely. These and other exonera­tions furnished scientists with dozens of known false-confession cases to study, giving rise to a veritable subfield of social psychology and the behavioral sciences. (At least one confession elicited by John Reid himself — in a 1955 murder case — turned out to be inaccurate; the real killer confessed 23 years later.)

Researchers have even broken down these false confession cases into categories. There are “voluntary” false confessions, like the many presumably unstable people who claimed credit for the Lindbergh baby kidnapping in order to get attention. Then there are “compliant,” or “coerced,” false confessions, in which people are so ground down by an intense interrogation that, out of desperation and naïveté, they think that confessing will be better for them in the long run. The third category, “persuaded,” or “internalized,” false confessions, may be the most poignant. Here, the interrogator’s Reid-style theming is so relentless, the deployment of lies so persuasive, that suspects — often young and impressionable or mentally impaired — end up believing they did it, however fleetingly. [Continue reading…]

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