John Reid was a Chicago police officer with a law degree who left the force in 1947 to open a private polygraph business. What he built there became the standard method of criminal interrogation across the United States and Canada for the next half century, taught to hundreds of thousands of officers and codified in a manual, Criminal Interrogation and Confessions, that has run to five editions since 1962.
The Reid technique is nine steps, and it begins with a decision that determines everything after it: the interrogation is conducted only on a suspect the investigator has already concluded is guilty. Interrogation, in Reid's framework, is not an information-gathering exercise. It is the accusatory phase that follows a determination, and its purpose is to obtain a confession.
The steps run roughly as follows. Direct positive confrontation — the investigator states with certainty that the evidence establishes guilt. Theme development — the investigator offers a moral narrative that makes the act understandable: it was an accident, the victim provoked it, anyone would have done the same under that pressure, it was a one-time lapse. Handling denials — this is the step that matters most, and the instruction is to interrupt and prevent denials, because repeated denial strengthens resistance. Overcoming objections. Procuring and retaining the suspect's attention as they withdraw. Handling the suspect's passive mood. Presenting an alternative question — a choice between two versions of the act, one of them face-saving, both of them admissions. Having the suspect relate details. And converting the oral confession into a written one.
Read as psychology rather than as procedure, this is a dissonance machine, and it is well engineered.
The suspect is placed in a state of high arousal in a room they cannot leave, told that their guilt is established, and prevented from performing the behavior — denial — that would ordinarily reduce the arousal. Meanwhile a narrative is offered that would resolve everything: a version of what happened in which they are not a monster but a person under pressure who did something understandable. Festinger's theory predicts what happens to a person held in an aversive, inescapable state with exactly one available resolution.
The technique works. Confession rates are high, which is why it was adopted so widely and why practitioners defend it.
And the mechanism that makes it work is entirely indifferent to whether the suspect did it. Nothing in the sequence is contingent on guilt. The confrontation is asserted, not demonstrated; the theme is offered whether or not there was a theme; the denial-blocking operates identically on a true denial and a false one. What the machine optimizes is the probability of a confession, and an innocent person in that chair is subject to precisely the same pressures with fewer resources for resisting them, because they cannot supply the details that would make the account cohere.
Reid & Associates has consistently maintained that the technique is not coercive when properly applied, that its manual warns against use on juveniles and the intellectually disabled, and that misapplication rather than the method is responsible for false confessions.
The next six chapters are about what happens in the rooms. The first case is Reid's own.
Cross-ref: PEACE model chapter