Kolkata doctor rape-murder case: What are Deception Detection Tests?
Edited By WION Video Desk
Published: Aug 20, 2024, 07:15 IST | Updated: Aug 20, 2024, 07:15 IST
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.
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