Marvin A. Clark vanished during a short trip to Portland on Halloween weekend 1926, but the search to find out what happened to him may finally be drawing to a close nearly 90 years later.Clark’s disappearance is one of the oldest active missing-person cases in the nation, according to a federally funded database of missing persons. Investigators know Clark is not alive — he’d be more than 160 years old — but they believe they have his remains.

read more: DNA sought to close 1926 missing-person case – Yahoo News UK.