A court on Tuesday gave Delhi Police permission to conduct a polygraph test on Aaftab Amin Poonawala. who allegedly killed and dismembered the body of his live-in partner Shraddha Walkar, police sources said on Tuesday.
Delhi Police had moved it application in court on Monday.
"Yes. We have received permission from the Delhi Court to conduct a polygraph test on Poonawala," a police official told PTI.
A polygraph test is a non-invasive technique in which no medicine is used. The subject is attached to a machine and questions are asked to him/her about the matter related to any case or incident. The variation in the graph when the subject answers the questions are mapped to draw a conclusion.
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According to the American Psychological Association (APA), polygraph tests measure a person's "heart rate/blood pressure, respiration, and skin conductivity". The purpose of the test is usually to prove whether or not a person committed a crime.
-With PTI Input
