Though the Zodiac Killer case technically remains unsolved, one man is favored as likely being the serial killer with seven confirmed victims in northern California in the late 1960s and early 1970s. The case against Arthur Leigh Allen, the main suspect, is favored based largely on circumstantial evidence. This evidence includes everything from wearing the same size gloves as those left at one of the Zodiac’s confirmed crime scenes to living near and knowing the second confirmed female victim. A litany of circumstantial evidence seems to point toward Allen as the serial killer: he wore the same size and type of boots as a print found at a crime scene; a former colleague claimed Allen told him he was planning to kill school children in a similar