ABC films 'The (Jon Benet) Ramsey Polygraphs-- 10 years later', with John Grogan

ABC films 'The (Jon Benet) Ramsey Polygraphs-- 10 years later', with John Grogan.

Soon to air on a news show, it discusses the exams conducted at the time, as well as changes in polygraph science since then.

Polygraph examiner John Grogan has 23 years of extensive lie-detection experience, with more than 5000 court-verified completed exams. He conducts exams in several states for the public, businesses, and agencies city through federal. He has more than 600 media appearances involving the investigative and lie-detection professions.