"During the '80s and '90s, we... repeatedly saw... criminals... use condos and high-rises to launder money," says Jonathan Winer... "it was a way of turning dirty money into clean money... and it explained why there are so many high-rises... sold but no one... living in them."
Source, in full
Background Ref: 1) Trump’s deep links to organized crime: Federal investigators know and the public is catching on As Trump built his empire, he attracted a criminal element whose ties still bind, by Jefferson Morley (Apr 18, 2017) Salon.com 2) Jonathan M. Winer, Distinguished Diplomatic Fellow, Middle East Institute. 2) Biography: John Winer U.S. Dept of State.