In 2018, Mickey Barreto checked into a hotel. Over the next five years he refused to leave, briefly owned the hotel, tried to take down an international cult, and got arrested.
Sources:
The Hotel Guest Who Wouldn’t Leave
The History of The New Yorker Hotel
A loophole got New York City man a free hotel stay for five years until he claimed to own the building
How to Fake-Own the New Yorker Hotel
Missing 411 David Paulides Presents Missing Person Cases from Montana & Oregon