Forensic Science - Narco, Polygraph & Brain Mapping Test By Mrityunjay Singh  (English, Paperback, Mrityunjay Singh)

Forensic science is the application of scientific knowledge and methodology to criminal investigations and legal problems. ... Forensic scientists are who help to collect, preserve, and examining physical evidence during the course of an investigation. Forensic Scientist must be methodical, accurate and unbiased.