Paramount Pictures will be releasing Zodiac on March 2nd starring Jake Gyllenhaal, Mark Ruffalo, Robert Downey Jr., Anthony Edwards, Brian Cox, Elias Koteas, Donal Logue, John Carroll Lynch and Dermot Mulroney.

The film is based on the actual case files of one of the most intriguing unsolved crimes in the nation's history, Zodiac is a thriller from David Fincher, director of "Seven" and Fight Club. As a serial killer terrifies the San Francisco Bay Area and taunts police with his ciphers and letters, investigators in four jurisdictions search for the murderer. The case will become an obsession for four men as their lives and careers are built and destroyed by the endless trail of clues.

The studio has sent us five authentic Zodiac letters scanned directly at the San Francisco PD crime lab in 1969-1970.

CLICK HERE to check out the Zodiac killer's letters!