◆ SpookStack

Declassified Document Archive & Reader
Log In Register
Reader Ad Slot
Reader Ad Slot placeholder
If you would like to support SpookStack without paying out of pocket, please consider allowing advertising cookies. It helps cover hosting costs and keeps the archive free to browse. You can change this choice at any time.

The Zodiac Killer — Part 5

249 pages · May 11, 2026 · Document date: Jul 6, 1975 · Broad topic: Famous Crimes & Fugitives · Topic: The Zodiac Killer · 249 pages OCR'd
← Back to feed
Re: RECORDED FEDERAL BUREAU OF INVESTIGATION “> LAB FILE 11/18/69 UNITED STATES DEPARTMENT OF JUSTICE TS Laboratory Work Sheet UNSUB , . — "Vallejo Times - Herald," File # a ee1t140$3 LL Vallejo, California - Victim; Lab. # aT: Extortion 00: SACRAMENTO Examination requested by: San Francisco (939-2296) 11/12/69 ‘Examination requested: Document ~ Cryptanalysis Date received: 11/33 /5 oe, Result of Examination: 2. 3. bie Examination by: hp. Qeoat— Qc3i protth pon a Aeme Gernar pmpery ate. ay Pe Tot. Qeair- Ye 4 examination Qc21 Photocopy of envelope postmarked "SAN FRANCISCO CALIF. 4A 1969 PM 8 NOV," bearing hand printéds address "S. F. Chronicle San Francisco Calif Please Rush to Editor" Qc22 Photocopy of accompany ing hand printed XARERE six-page letter, ha cake oe beginning , this is the Zodiac speaking ww vf to ‘the e Qc23 Photocopy of second page of accompanying ‘letter beginning "in my killings I wear transparent finger tip guards. All it.. Qc24 Photocopy of third page of accompanyips letter beginning "groups of barking about 10 min apart then the..." oo, Qc25 Photocopy of fourth page of accompanying letter beginning "Take one beg of ammoniém nitrate fertlizer € 1 gal..." Qc26 Photocopy of fifth page of accompanying ‘letter bearing drawing of bomb 2 ~ Sacramento (q-48- | Page 1 Sab Lys (continued on next page). Uf19 Jed AIS. tpt 4
OCR quality for this page
Community corrections
First editor: none yet Last editor: none yet
No user corrections yet.
Comments
Document-wide discussion. Follow the Community Standards.
No comments on this document yet.
Bottom Reader Ad Slot
Bottom Reader Ad Slot placeholder
If you would like to support SpookStack without paying out of pocket, please consider allowing advertising cookies. It helps cover hosting costs and keeps the archive free to browse. You can change this choice at any time.

Continue Exploring

Use the strongest next step for this document: continue reading, jump to the topic hub, or move into the matching agency collection.
Continue Reading at Page 215
Jump straight to page 215 of 249.
Reader
The Zodiac Killer — Part 03
Stay inside The Zodiac Killer with another closely related document.
Topic
FBI Documents & FOIA Archive
Open the FBI agency landing page for stronger archive context.
FBI
The Zodiac Killer Topic Hub
See the topic overview, related documents, and linked subtopics.
Hub

Agency Collection

This document also belongs in the FBI Documents & FOIA Archive landing page, which is the stronger starting point for agency-level browsing and for searches focused on FBI records.
FBI Documents & FOIA Archive
Open the agency landing page for introduction text, topic links, and more FBI documents.
FBI

Explore This Archive Cluster

This document belongs to the Famous Crimes & Fugitives archive hub and the more specific The Zodiac Killer topic page. Use these hub pages when you want the broader collection context, linked subtopics, and more documents around the same archive thread.
Related subtopics
HEARNAP
42 documents · 28582 known pages
Subtopic
Bonnie and Clyde
8 documents · 951 known pages
Subtopic
John Dillinger
4 documents · 118 known pages
Subtopic
George Baby Face Nelson
3 documents · 453 known pages
Subtopic
Black Dahlia E Short
2 documents · 211 known pages
Subtopic
Charles "Pretty Boy" Floyd
2 documents · 261 known pages
Subtopic