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The Polygraph

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Marc Weber Tobias is an investigative attorney and a physical security expert in locks and safes. He was trained as both a lawyer and criminal investigator and has been a certified polygraph examiner for the past twenty years, employed by government agencies and private clients. He works in the United States and has conducted thousands of polygraph or lie detector examinations in both criminal and civil investigations involving cases of kidnapping and murder to employee theft from commercial businesses. The polygraph is utilized throughout the world by police and intelligence agencies for a variety of purposes, including the verification of statements by suspects and victims, plea bargains in criminal cases, and vetting of government employees and intelligence agents to obtain and maintain security clearances. Marc Tobias has worked several high-profile cases and in one investigation, he conducted the polygraph examination of the career criminal in Sweden that provided the gun that killed the prime minister of that country in 1986.

This talk is part of the Computer Laboratory Security Seminar series.

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