1963 June 4th-The Domingos/Edwards Murders
1966 October 30th-The Cheri Jo Bates Murder
1966 November 29th -The Confession Letter 
1966 December- The Riverside Desktop Poem 
1967 April 30th- Bates Had to Die Letter
1968 December 20th-The Lake Herman Murders
1969 July 4th-The Blue Rock Springs Attack
1969 July 31st- Vallejo Times-Herald Letter and
408 Cipher Page1 (solved)
1969 July 31st- Examiner Letter and 
408 Cipher Page 2 (solved)
1969 July 31st - Chronicle Letter and
408 Cipher Page 3 (87% solved) 
1969 July 31st-The Complete 408 Cipher
1969 August 4th- Debut of Zodiac Letter
​1969 August 10th- Concerned Citizen Card
1969 September 27th- The Lake Berryessa Attack
1969 October 7th- The Good Citizen Letter
1969 October 11th-The Presidio Heights Murder
1969 October 13th-The Paul Stine Letters
1969 October 22nd-Call to Chat Show
1969 November 8th-The Dripping Pen Card and 
340 Cipher (partially solved)
1969 November 9th-The Bus Bomb Letter
1969 November 19th- The Riddler Notes
​1969 November 21st-The San Jose Code Letter
1969 November 28th-The Betsy Aardsma Murder
​1969 December 7th-The Fairfield Letter
1969 December 16th-The Fairfield Letter 
1969 December 20th-The Melvin Belli Letter
1970 Feb 21st- The Hood and Garcia Murders
1970 March 22nd-The Modesto Attack
1970 April 20th-"My Name is" Letter,
Cipher 3 (solved in 2019) and Bus Bomb Diagram
1970 April 28th-The Dragon Card
1970 June 26th-The Button Letter
Cipher 4 (solved in 2019) and Map
1970 July 4th-The Sleeping Bag Murders
1970 July 24th-The Kathleen Johns Letter
1970 July 26th-The Little List Letter
1970 Sept 6th-The Donna Lass Disappearance
1970 October 5th-13 Hole Postcard
1970 October 17th- "You Are Next" Postcard
1970 October 27th-The Halloween Card
1971 March 13th-The Los Angeles Letter
1971 March 22nd-The Pines Card
1971 Unknown- The 148 Character Cipher
​1971 July 13th-The Monticello Card
​1973 August 1st- The Albany Letter
1974 January 29th-The Exorcist Letter
1974 February 3rd-The SLA Letter
1974 May 8th-The Citizen Card 
1974 July 8th-The Red Phantom Letter
1974 December 27th- Christmas Card
​1975 November 3rd- The Belmont Letter
1978 April 24th-The 1978 Letter
1978 May 2nd- The Channel Nine Letter
1978 July 19th- The Scotch Tape Letter
1981 March 8th- The Peachtree Letter
1986 May 6th- The Freeway Letter
1987 October 28th- The 1987 Letter
1988 February 1st- The McDonald's Letter
1988 February 8th- The McDonald's Letter [2]
1990 September 25th- The Celebrity Cypher
1990 December-American Greetings Card
2001 January 10th- Happy New Year Card
​Unknown DMV Letter (possibly November 1971)
1986 April 22nd- Saechao and Saelee Murders
1972 April 7th- Tamalpais Valley Attack
1969 November 21st- Gaul and Sharp Murders
1967 June 8th- Molina and Rodriguez Murders
1960 November 26th- Murders at Forest Park
12.20.68  David Faraday & Betty Lou Jensen
07.04.69  Darlene Ferrin & Michael Mageau
09.27.69  Cecelia Shepard & Bryan Hartnell
10.11.69  Paul Stine
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A comprehensive look at the murder of Cheri Jo Bates in Riverside, California on October 30th 1966, including the timeline and autopsy findings. Cheri was discovered in an alleyway close to the Riverside City College Library, brutally stabbed and slashed numerous times with a short bladed instrument. The killer had sabotaged her Volkswagen Beetle car by ​tampering with the middle wire of her distributor, with the intention of luring the young girl to her death.
All
13 Hole Postcard
148 Character Cipher
1978 Letter
1986 Letter
1987 Letter
2001 Happy New Year Card
Albany Letter
Allan/Peyton Murders
Arthur Leigh Allen
Betsy Aardsma
Blue Rock Springs Attack
Bus Bomb Letter
Button Letter
Call To Chat Show
Cheri Jo Bates
Cipher Theories
Citizen Card
Concerned Citizen Card
Confession Letter
Debut Of Zodiac Letter
DMV Letter
Domingos/Edwards Murders
Donald Lee Bujok
Donna Lass
Dragon Card
Earl Van Best Jr
Eureka Card
Exorcist Letter
Fairfield Letter
Fingerprint Evidence
General News Articles
Gilbert And Sullivan
Halloween Card
Hood/Garcia Murders
Internet Articles
Kevin Robert Brooks
Lake Berryessa Attack
Lake Herman Road Murders
Lake Tahoe Disappearance
Larry Kane
Los Angeles Letter
Melvin Belli Letter
Mike Morford (Morf13)
Modesto Attack
Molina/Rodriguez Murders
Monticello Card
My Name Is Letter
Pines Card
Possible Zodiac Attacks
Possible Zodiac Letters
Post An Article Here
Presidio Heights Murder
Radians
Red Phantom Letter
Richard Gaikowski
Riverside Desktop Poem
Ross Sullivan
Saechao/Saelee Murders
San Jose Code Letter
Scotch Tape Letter
Sla Letter
Tamalpais Valley Attack
Ted Kaczynski
Telegraph Avenue Incident
The 340 Cipher
The 408 Cipher
The Celebrity Cypher
The Little List
The Mikado
Thomas Horan
You Are Next Letter
Zodiac Letters Poll
Zodiac Theories
Arthur Leigh Allen
Donald Lee Bujok
Bruce Davis/Manson Family
Richard Gaikowski 
Theodore Kaczynski 
Lawrence Kane
Rick Marshall 
Jack Tarrance
Gareth Penn 
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All the answers to the Zodiac Killer codes were given to us by the murderer before the turn of 1971. There was never a requirement to search for any solutions because the Zodiac Killer (in his own words) provided us with the answers between July 26th 1970 and October 27th 1970.