A smiling Charles Manson during a break in the Tate murder trial after an outburst from his co-defendants. The trouble started after Leslie Van Houten said she wanted to fire her new lawyer, then slapped a bailiff and told the judge, "I'd strike you if I could" before being ejected from the courtroom. (Credit: George Brich/AP/REX/Shutterstock)

Many people have taken an interest in trying to solve the cryptograms left behind by the Zodiac, puzzles that that many believe may contain his identity and other vital information about him.

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The 1970s was an era when the women's rights, gay rights and environmental movements gained momentum. The Vietnam War came to a close, the Watergate scandal led to the resignation of President Richard Nixon, the United States ended direct involvement in the Vietnam War and President Jimmy Carter grappled with an energy crisis, inflation and the Iran Hostage Crisis.

1970s

The 1960s was one of the most tumultuous and divisive decades in world history. The era was marked by the civil rights movement, the Vietnam War and antiwar protests, countercultural movements, political assassinations and the emerging "generation gap."

1960s

Crime has been a dark and powerful undercurrent in human society throughout history. Uncover the facts behind some of the most daring robberies, brazen scams and brutal murders ever committed.

serial killers

Stories

The Time a Bachelorette Picked a Serial Killer on TV

How Charles Manson Got Under America’s Skin—For Nearly 50 Years

Charles Manson Was Sentenced to Death. Why Wasn’t He Executed?

The Zodiac Ciphers: What Cryptologists Know