The true identity of the psychotic ZODIAC killer has been known by the Mandamus Seven (group of retired law enforcement officers, federal agents, a minister, an

By the creators of Criminology: a complete chronicle of the Zodiac serial killer investigation, including photographs and documents. In the late 60’s and earl

In December of 1968, a serial killer began orchestrating a campaign of terror in the San Francisco Bay Area. Not satisfied with the simple act of murder, he tau

The greatest unsolved problems that are, or are thought to be, codes or ciphers.

"In 1953, a man was found dead from cyanide poisoning near the Philadelphia airport with a picture of a Nazi aircraft in his wallet. Taped to his abdomen was an