Con man Christian Gerhartsreiter had many identities - but his most famous was "Clark Rockefeller,” a black sheep relative from the iconic American family. For over 20 years, he duped rich people from coast to coast to share in their privilege and their money. But in 2008, he finally got caught in his web of deceit. Investigators would soon realize that his dirty crimes not only included impersonations but were much darker than anyone ever imagined.