A San Francisco police officer killed in the line of duty 55 years ago is receiving new attention and the police department ...

The Zodiac Killer is known to have murdered five people between 1968 to 1969, though has claimed to have killed more than 30 ...

SAN FRANCISCO, California (CNN) --The man who called himself the Zodiac killer struck fear into Northern California residents with a string of murders that began in the late 1960s. The killer ...

"When I first learned he was a suspect in the Zodiac killings, I was incredulous, but I then remembered this strange moment when he got uncharacteristically angry – about astrology. It gave me ...

The image taps into a deeply ingrained American archetype, evoking old yearbooks, D.B. Cooper or, for many online, the infamous Zodiac Killer sketch. What followed was an explosive frenzy ...

The DNA expert at the center of the Gilgo Beach serial killer case has helped solve several notorious murders - and cracked a mystery at the heart of the infamous Zodiac killer case, a court heard ...

Ted Cruz was so offputting, Twitter declared, he might actually be the Zodiac Killer. The killer is believed to be responsible for at least five deaths in the San Francisco Bay area, though ...

Learn more about the most wanted murderers in the U.S. ahead of the Unknown Serial Killers of America premiere.