Let's Crack Zodiac - Episode 11 - Did someone solve Zodiac's last two ciphers?

Zodiac’s 340 cipher has been cracked for almost a year.
But codebreakers continue to be baffled by two more unsolved ciphers by Zodiac.
A French engineer was in the news for claiming to solve them.
What were his solutions?
Watch this video for a detailed look.

CONTENTS:

0:00 - Intro
0:34 - Z13 overview
1:31 - Dr. D.C.B. Marsh challenges Zodiac
2:15 - SFPD park station bombing
3:15 - Zodiac’s threat against schoolchildren
4:12 - Z13 cryptanalysis and observations
5:39 - Using simple substitution on Z13
5:57 - Getting names and phrases from Z13 using substitution
8:31 - Changing the rules to find names easier
10:00 - Adding decryption steps
10:46 - Introduction to Faycal’s claims
11:21 - Faycal’s Z13 decryption steps
15:51 - Faycal’s Z13 solution: “KAYR” (Lawrence Kane)
17:04 - Changing his steps slightly yields a different name: “EARL” (Earl Van Best Jr.)
20:34 - Another example yielding a different name: “FRED” (Fred Manalli)
23:31 - Z32 overview
24:19 - Faycal’s Z32 decryption steps
27:30 - Faycal’s Z32 solution: “LABOR DAY FIND 45.609 NORT 58.719 WEST”
27:55 - The problem with anagrams, part 1
28:50 - The problem with anagrams, part 2
30:05 - The problem with geomagnetic coordinates
31:26 - The problem with existing keys and intermediate steps
32:18 - Z32 radians/inches map tool I made for History Channel show
35:07 - Conclusions about Faycal’s solutions
36:41 - General conclusions / outtro

MUSIC CREDITS:

Music from Uppbeat (free for Creators!):
https://uppbeat.io/t/prigida/moonshine
License code: ZOBFFRRSTNDCRDP3
https://uppbeat.io/t/fe77a/vacation-c...
License code: CVU4MU89RX4VYCNT
https://uppbeat.io/t/soundroll/all-th...
License code: ZN73DZDL5IMHP95J

LINKS:

Names list: http://zodiackillerciphers.com/all-na...
Faycal article: https://www.jeuneafrique.com/1130388/...
NYT article: https://www.nytimes.com/fr/2021/06/22...
Lawrence Kane: https://lawrencekane.wordpress.com/

VIDEO ASSET CREDITS:

Subscribe button:    • TOP FREE GREEN SCREEN SUBSCRIBE BUTTO...  
Like button:    • TOP 10+Green Screen like Button |No C...  
Rubik’s Cube animation: https://dribbble.com/shots/6679648-Ru...
Film grain overlay:    • old film grain overlay | dust, hairs ...  
SFPD park station bombing:    • SFPD Park Station Bombing Feb. 16, 1970  
History Channel Zodiac show: https://www.history.com/shows/the-hun...
Grains of sand:    • How many grains of sand are in the Sa...   (and Dune 2021)
Shifting poles:    • Earth’s Magnetic North Pole Is Shifti...  
FFWD overlay:    • VHS Fast Forward Green Screen Overlay  
VHS overlay:    • VHS Tape Overlay - 4K Green screen FR...  

SOUND CREDITS:

https://freesound.org/people/lyd4tuna...
https://freesound.org/people/eyesonle...
https://freesound.org/people/SpaceJoe...
https://freesound.org/people/ASoydan/...
https://freesound.org/people/martian/...
https://freesound.org/people/F.M.Audi...
https://freesound.org/people/15GPansk...
https://freesound.org/people/Masgame/...
https://freesound.org/people/Jose.dar...
https://freesound.org/people/tams_kp/...
https://freesound.org/people/MasterNa...
https://freesound.org/people/Eponn/so...
https://freesound.org/people/deerlord...
https://freesound.org/people/StrikeWh...
https://freesound.org/people/adilbek_...
https://freesound.org/people/Inspecto...
https://freesound.org/people/sheepfil...
https://freesound.org/people/D.jones/...
https://freesound.org/people/morgantj...
https://freesound.org/people/MrAurali...
https://freesound.org/people/Aldebara...
https://freesound.org/people/ewrandom...