Kate Sullivan

Sam Kean, author of the book 'The Icepick Surgeon,' discusses unethical undertakings done in the name of science, ranging from Nazi 'medical' experiments to the Tuskegee syphilis study to icepick lobotomies.

Criminologist Dr. Scott Bonn deconstructs Dennis Rader's 'Factor X', the blamed culprit for why a devout Lutheran and father was driven to commit 10 murders between 1974 to 1991.