A look inside multimillionaire Jeffrey Epstein’s real-estate portfolio, where sex trafficking reportedly took place and a $77 million Manhattan mansion may have been acquired for $0

Epstein’s seven-story mansion on 9 East 71st Street is proving to be just as mysterious as the multimillionaire himself. Business Insider’s Benjamin Goggin previously reported that the details of how Epstein came to own the home aren’t entirely clear. Howe…