Someone in India, with fraudulent documents "sold" his land.
He only came to know about it when he next visited India. Unfortunately he could not do much. There are people who will actively look through property records - if the person is not a local resident ( lives internationally ), then they are prime targets.
This was a decade ago - things have gotten a lot better with digital records and India's Universal ID system. But I did not realize, something like this was possible in the US.