For 17 horrific months in the mid 1980's Japan was terrorized by a mysterious organization known as "The Monster with 21 Faces". Although they held some of the largest companies in Japan hostage, the police were never able to track down the mysterious organization.
On October 15, 1919 Clement De La Hay, the principal of Newington College in Madras, India was shot dead while he slept. His wife and baby slept in the same room and had seen the killers. However, 100 years later the case remains unsolved.
In February 1957 the nude body of a young boy was found inside a box in a vacant lot in Philadelphia. Despite the efforts of several hundreds of law enforcement officers and private sleuths, spanning decades, the identity of the boy and that of his killer remains unknown. Listen to the case set to Chopin's Nocturne op. 9 No. 1.
Socialite Dorothy Arnold disappeared in New York in 1910. 110 years later she remains missing. Her story is one of the most enduring mysteries in America.