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A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a pseudoscientific [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while a person is asked and answers a series of questions. [7]
Lawyers for Alex Murdaugh said an FBI agent conducting a polygraph test that the agency said the convicted killer flunked asked odd questions and confided he had just examined the notorious Dutch ...
A polygraph test may take center stage at an upcoming sentencing hearing for Alex Murdaugh for his federal financial crimes on Monday, April 1, in Charleston. Murdaugh’s lawyers deny he lied on ...
Alex Murdaugh was an extraordinarily convincing liar in carrying out his financial crimes, but federal prosecutors say he failed to fool a polygraph test.
During his hiring by the FBI in 2004, he is alleged to have passed a polygraph examination which asked questions regarding foreign contacts and personal loyalties. [4] The day before starting his new job with the FBI, Ma called a suspected accomplice to inform them he would now be working full-time for "the other side."
Contrary to a traditional polygraph (also known as a lie detector) that relies on changes to sweat glands as nervous responses to determine the subject's honesty, brain fingerprinting is entirely concealed in the brain's responses to stimuli. [7] This makes the technique harder to resist or beat, making it a more reliable method of detecting lies.
The court compared forensic hypnosis to the polygraph test stating that they could both be used in criminal investigation but were not admissible in court. [4] An additional issue with the admission of forensic hypnosis is that when admitted it would have the status of a witness testimony which the jury would be asked to evaluate.
In the Reid technique, interrogation is an accusatory process, in which the investigator tells the suspect that the results of the investigation clearly indicate that they did commit the crime in question. [9] The interrogation is in the form of a monologue presented by the investigator rather than a question and answer format. The demeanor of ...