Communications in the 1970s

This page collects all Zodiac communications sent in the 1970s, organized by date and linked individually.

1. April 20, 1970 - Letter sent to The San Francisco Chronicle 

2. April 28, 1970 - Card sent to The San Francisco Chronicle 

3. June 26, 1970 - Letter sent to The San Francisco Chronicle 

4. July 24, 1970 - Letter sent to The San Francisco Chronicle 

5. July 26, 1970 - Letter sent to The San Francisco Chronicle

6. October 27, 1970 - Card sent to Paul Avery, reporter of The San Francisco Chronicle

7. March 13, 1971 - Letter sent to The Los Angeles Times

8. January 29, 1974 - Letter sent to The San Francisco

9. February 14, 1974 - Letter sent to The San Francisco Chronicle 

10. May 8, 1974 - Card sent to The San Francisco Chronicle

11. July 8, 1974 - Letter sent to the San Francisco Chronicle

12. May 1978 - Letter sent to KHJ-TV, Los Angeles, California

The following communications are associated with this decade but not universally confirmed to be from the Zodiac killer.

1. October 5, 1970 - Information and Link coming soon.

2. October 12, 1970 - Information and Links coming soon.

3. March 22, 1971 - Post Card sent to The San Francisco Chronicle

4. July 13, 1971 - Information and Link coming soon.

5. June 30, 1972 - Information and Link coming soon.

6. August 1, 1973 - Information and Link coming soon.

7. December 4, 1973 - Information and Link coming soon.

8. 1974 - Information and Link coming soon.

9. November 3, 1975 - Information and Link coming soon.

10. June 1977 - Information and Link coming soon.

11. April 1978 - Information and Link coming soon.

12. July 19, 1978 - Information and Link coming soon.