Maybe it's not just the Russians, seems China wants to buy in now?
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"Businesswoman Who Bought Trump Penthouse Is Connected to Chinese Intelligence Front Group"


"When a Chinese American businesswoman who sells access to powerful people recently purchased a $15.8 million penthouse in a building owned by President Donald Trump, the deal raised a key question. Was this a straightforward real estate transaction, or was this an effort to win favor with the new administration? The woman, Angela Chen, refused to discuss the purchase with the media."
http://www.motherjones.com/politics/2017/03/exclusive-donald-trump-penthouse-buyer-has-ties-group-chinese-military-intelligence