The bizarre letters alleged killer Heriberto Seda sent to the police and the "New York Post" were full of strange symbols and mysterious references to the Zodiac. For six terror-filled years, the Zodiac Killer ruled the night, claiming nine victims in his homicidal rage. One of the biggest manhunts in New York City's history was unleashed and still the body count rose. Kieran Crowley, the reporter who covered the story, reveals the exclusive inside story and finally solves the biggest remaining mystery of the case. Photo insert.
