Darren Hudson is a certified retired forensic polygraph examiner with over thirty years of criminal investigative experience. His career included work as a first responder in the Canadian Forces both at home and abroad, a polygraph examiner in the Canadian intelligence service, and as an instructor for military, intelligence, and police. While he has authored several training manuals, this is his first book for a wider audience. He lives in Ottawa, Canada, with his son and two dogs.