Some of his letters were written in a cipher of which only one has been deciphered till.

Zodiac killer letters in order. The soon to be notorious zodiac a serial killer who terrorized northern california in the late 1960s and early 1970s with a combination of grisly murders and bizarre public letters. 13 1969 stine letter color 526k 1 000 x 1 433. The zodiac killer was a serial killer active from the late 1960s to the early 70s in northern california usa. The name zodiac originated from a number of letters written by the killer to the local press.

Examiner letter 2 416kb 1 000 x 1 322 examiner envelope 147kb 1 000 x 780 august 1969 debut of zodiac letter 1 491kb 1 000 x 1 232 debut of zodiac letter 2 568kb 1 000 x 1 236 debut of zodiac letter 3 447kb 1 000 x 1 208 oct. The killer originated the name in a series of taunting letters and cards sent to the san francisco bay area press. The zodiac killer or simply zodiac or the zodiac is the pseudonym of an american serial killer who operated in northern california from at least the late 1960s to the early 1970s. A coded letter mailed to a san francisco newspaper by the zodiac serial killer in 1969 has been deciphered by a team of amateur sleuths from the united states australia and belgium the san.

Others believe that the zodiac s writings and codes reveal a mind of considerable intellect. His identity remains unknown. These letters were signed under the code name. This led investigators to believe that the killer was an uneducated person.

Between 1966 and 1974 the zodiac killer provided more than 20 written communications to police officials some including ciphers that have not been cracked to this day including z340. These letters included four cryptograms or ciphers.

• Anthony Joshua Agent Name