Case Files

Crime sketch of Zodiac Killer and victims, related to unsolved case, forensic investigation, true cr.

Case Files: Why the Zodiac Killer May Never Be Identified

Mysterious Zodiac Killer symbols and clues from the Zodiac case.

Case Files: Could More Than One Person Be Involved?

Close-up of illustrated faces of two men, one with glasses, in a detailed sketch style.

Case Files: The Arthur Leigh Allen Problem?

Investigation evidence related to the Zodiac Killings, including wanted posters and handwritten note.

Why Did the Zodiac Killings Suddenly Stop?

Sketch of a character on paper burning in flames, with a focus on facial features.

Case Files: Why the Zodiac Ciphers May Be Impossible to Solve

Mysterious Zodiac Killer symbols and clues from the Zodiac case.

What If the Zodiac Killer Was Never Meant to Be Caught?

Close-up of a man with glasses and a masked figure with a crosshair symbol.

What If We’ve Been Looking at the Zodiac Killer All Wrong?