Kolkata doctor rape-murder case: What are Deception Detection Tests? | WION Newspoint | India News

India's Central Bureau of Investigation has been granted permission by Kolkata Court to conduct polygraphy tests on the arrested accuse Sanjoy Roy. It will be conducted sometime later today. Let's have a look at the kinds of deception detection tests or the DDTs that agencies usually employ to reveal concealed information related to the crime.

#kolkata #doctorsstrike #india

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