One of the top security experts at the FBI, Frank Abagnale, was also one of the most successful con-mans of all time. He posed as a pilot to travel for free on over 250 flights to 25 countries aged between 16-18, and had scammed his father out of $28k (adjusted for inflation) aged just 15. Abagnale’s story inspired the Academy Award-nominated feature film, Catch Me If You Can (2002).
Scottish soldier Gregor MacGregor claimed he was made the leader of a country in Latin America which did not exist and then proceeded to earn himself a fortune by selling land and government bonds of said fictitious country to wealthy British and French investors.
There is a syndrome called the Capgras Delusion, where if you suffer from it you may think your friends, family, and even your pets have been replaced by impostors.
A man who lied about passing his second year of university, pretended to continue his study, crafting an elaborate lie until everyone he knew thought he was a medical doctor. No one found out for 18 years, until he killed his entire family to avoid being revealed.
A women fabricated a story about being on the 78th floor of the south WTC after it was hit. She became the president of the WTC Survivors Network. She was in Spain during 9/11.
Ferdinand Waldo Demara, Jr, known as “the Great Impostor”, improvised his way through surgical operations.