The Most Dangerous Animal: Is the Zodiac Killer the Next Cold Case to Be Solved?

Investigators hope that new technology will help find justice for the Zodiac's victims.

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  • Photo Credit: Wikimedia Commons
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  • One of the letters the Zodiac Killer sent to the San Francisco Chronicle

    Photo Credit: Wikimedia Commons
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  • Joseph James DeAngelo

    Photo Credit: Wikimedia Commons