Separated from his older brother at a train, five-year-old Saroo Munshi Khan found himself lost in the slums of Calcutta. In his 20s, living in Australia, he began his search for his birth home armed with nothing but hazy memories and Google Earth.

Beyond the fact that he lacked a pulse, little is known about the man found on an Adelaide beach in 1948.

An unidentified body found near the beach in Australia in 1948. An unclaimed suitcase. A coded note.