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Matthew Cox is a former mortgage broker from Florida who found himself on the Secret Service's most wanted list; he made millions falsifying homeownership and mortgage documents for five times the properties' actual worth.

Jan Lewan is the polka sensation from Pennsylvania who fleeced millions of investors with his classic Ponzi scheme; his name shot to fame when Netflix produced the movie "Polka King" with actor Jack Black playing Jan Lewan.

Nicknamed The Chameleon, Frédéric Bourdin is a former French serial imposter who claims to have faked at least five hundred false identities, including a young Texas boy who went missing in the mid-90s.

Shaun Greenhalgh is a British artist and art forger; between 1989 and 2006, he produced a number of forgeries including Roman and Chinese art objects, and medieval Christian relics, that fooled some of the world's most respected art institutions.

Dubbed the "Mini Madoff," Kiener is one of Germany's greatest con artists, tricking thousands of private investors and banks, including Barclays and J.P. Morgan, to the tune of more than $300 million.

Christophe Rocancourt is a French impostor and con artist who scammed rich and powerful people by masquerading in turn as a French nobleman, the heir to the Rockefeller family, or as a Russian prince.

Matthew Cox is a former mortgage broker from Florida who found himself on the Secret Service's most wanted list; he made millions falsifying homeownership and mortgage documents for five times the properties' actual worth.

Jan Lewan is the polka sensation from Pennsylvania who fleeced millions of investors with his classic Ponzi scheme; his name shot to fame when Netflix produced the movie "Polka King" with actor Jack Black playing Jan Lewan.

Nicknamed The Chameleon, Frédéric Bourdin is a former French serial imposter who claims to have faked at least five hundred false identities, including a young Texas boy who went missing in the mid-90s.

Shaun Greenhalgh is a British artist and art forger; between 1989 and 2006, he produced a number of forgeries including Roman and Chinese art objects, and medieval Christian relics, that fooled some of the world's most respected art institutions.

Dubbed the "Mini Madoff," Kiener is one of Germany's greatest con artists, tricking thousands of private investors and banks, including Barclays and J.P. Morgan, to the tune of more than $300 million.

Christophe Rocancourt is a French impostor and con artist who scammed rich and powerful people by masquerading in turn as a French nobleman, the heir to the Rockefeller family, or as a Russian prince.