Who was the Zodiac Killer who terrorized residents of California during the 1960s and 1970s? The answer is still unknown. Readers take an in-depth look at the investigation that continues to fascinate Americans, discovering the details of the crimes and the search for the person who committed them. Additional information is presented through engaging sidebars and eye-catching fact boxes. Historical and contemporary photographs, including primary source...

In the late 1960s, the Zodiac Killer terrorized the area near San Francisco, California, killing at least five people. The killer mailed letters to newspapers written in code, daring police to discover his identity. He taunted the police and spread fear around San Francisco and beyond. Would the police and the public, working together, find this terrifying monster?