cryptologist

A look at the hunt for California's Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early '70s.

Surviving the plane crash was only the beginning ... After their plane crashes into uncharted territory in the Himalayas, the survivors set out to find help in the freezing cold. As the ...

A murder in Paris’ Louvre Museum and cryptic clues in some of Leonardo da Vinci’s most famous paintings lead to the discovery of a religious mystery. For 2,000 years a secret society ...