The Avante/Garde Diaries has released two brief clips of an interview with master art forger Mark Landis, who has been donating his high-quality forgeries to institutions around the United States (including over 50 art museums) for the past 20 years.
The New York Times did a piece on Landis back in 2011:
Unlike most forgers, he does not seem to be in it for the money, but for a kind of satisfaction at seeing his works accepted as authentic. He takes nothing more in return for them than an occasional lunch or a few tchotchkes from the gift shop. He turns down tax write-off forms, and it’s unclear whether he has broken any laws. But his activities have nonetheless cost museums, which have had to pay for analysis of the works, for research to figure out if more of his fakes are hiding in their collections and for legal advice. (The Hilliard said it discovered the forgery within hours, using a microscope to find a printed template beneath the paint.)