On December 20, 1968, David Faraday and Betty Lou Jensen were found shot to death along a dark turnout on Lake Herman Road near Benicia, California. Investigators recovered ten .22 caliber shell casings but no weapon. The ambush-style attack showed no sign of robbery or sexual motive and was later linked by ballistics and confession to the Zodiac Killer, marking his first known double homicide and the beginning of one of America’s most infamous unsolved murder sprees.
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