Despite a huge conventional search operation (followed by more exotic efforts involving psychics and a Gurkha parachuted into Cambodia), no trace was ever found of him.
With the stretch our imagination, we can still put ourselves in the shoes of the first people who explored that vast dramatic landscape and encountered giants never seen before.
That along with a fingerprint and a cellphone found on an unexploded device nearby is what law enforcement say led to a person of interest in the case.