Polygraph Exam

For her part, Misook was eventually questioned by numerous authorities including a number of Bloomington Police detectives, Illinois State Police (polygraph and forensic scientists), Coroner's Office staffers, and by the Department of Children and Family Services investigators. Aside from Misook's failed polygraph test, she was further questioned by detectives numerous times at the police department and at her apartment. Through her then private attorney Misook refused token requests to submit her hair samples to compare to hairs found in Christina's hands.

Preceding the violent smothering attack on her own daughter, Misook was administered a Polygraph exam by Illinois State Police. Barton was never asked to take a Polygraph Exam, only Misook. It is important to note that Polygraph exams are now allowed under Illinois Law as evidence. However, they are used by investigators as a tool. When a person fails a Polygraph then further and deeper investigation is warranted. In a Polygraph exam benchmarks of truthfulness are established with questions being asked such as what is your name. Of course, the person is not lying at this point in time. Test questions then are asked such as how old you are, what your address is, etc. Later in the polygraph exam questions pertaining to the matter at hand are asked. Misook was asked whether she knew how Christina died, what time Christina died, where Christina died, who was involved in her murder and in all instances, Misook responses were off the chart causing the Polygraph Examiner to note that Misook was showing clear signs of Deception in response to these questions. 

View official polygraph results here.

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