Let's Crack Zodiac - Episode 3 - The 408

Join me for a deep dive into the Zodiac Killer's first mysterious cipher, as told through a combination of newspaper articles, police reports, FBI documents and books. Learn about Zodiac's crimes, his taunting letters, the mysterious cryptogram he sent to local newspapers, all the efforts to solve it, the breakthrough solution by the Hardens, the involvement of a prominent cryptographer, evidence and leads revealed in the police reports, cipher analysis by the FBI, and much more! Other videos: My Zodiac cipher talk at the 2015 Cryptology History Symposium: https://www.youtube.com/watch?v=BV5R3TBMWJg Another one at the 2017 Symposium: https://www.youtube.com/watch?v=rew8uLqCS2w 2018 American Cryptogram Association talk about the Zodiac ciphers: https://www.youtube.com/watch?v=3Hk__Hk5c9M Let's Crack Zodiac! Episode 1: Graysmith: https://www.youtube.com/watch?v=N_Oh4snhF70 Let's Crack Zodiac! Episode 2: Bigrams: https://www.youtube.com/watch?v=uyH9-AHz-HY CREDITS Music: * Causmic: Regrets, The High Line, Soul Searching, Savior Search * pATCHES: Because For Everything There Is Someone * Wayne Jones: Spookster * Quincas Moreira: Space Hunter * Dave Miles: Movement (ZapSplat attribution) * Rondo Brothers: Yellow Rose of Berkeley * Causmic: The High Line Voiceovers: * Michael Goodman as Zodiac, Donald Harden, Dr. Marsh, Sergeant Lynch, SF grad student, and Concerned Citizen: https://www.fiverr.com/goodyboy64/record-voiceover-for-your-project * Kathryn Mustard as Bettye Harden. (Please support https://www.mhanational.org) Images, Documents, and Video Clips: * Mike Morford, http://zodiackillersite.com/ * Michael Butterfield, http://zodiackillerfacts.com/ * Tom Voigt, http://zodiackiller.com/ * Elonka Dunin, https://elonka.com/ * https://www.timesheraldonline.com/2018/07/20/brendan-rileys-solano-chronicles-long-serving-vallejo-police-chief-stiltz-had-tough-job/ * HLN Very Scary People * David Fincher's "Zodiac" * "The Most Dangerous Animal of All" * Starfield https://www.youtube.com/watch?v=Zk02hJI5XhU * Vintage computer lab https://www.youtube.com/watch?v=OsHMaTJ9CX0 * Ladislas Farago https://www.wnyc.org/story/latislaz-farrigo/ * FBI building https://theresurgent.com/2020/04/30/michael-flynn-and-the-fbi-heres-what-you-need-to-know/ * Old film grain https://www.youtube.com/watch?v=J_MZb7qTenE * Film burn https://www.youtube.com/watch?v=8esfdU5q6qg * FBI sign: Chad Christiansen https://www.google.com/maps/uv?hl=en&pb=!1s0x809b2180a07af991%3A0x85326fa3ca328e06!3m1!7e115!4shttps%3A%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipPhw4o4wgrE7m1ru_8XGszJKBZQaeYxK4pU2Njy%3Dw568-h320-k-no!5s%222001%20freedom%20way%22%20%22fbi%22%20-%20Google%20Search!15sCgIgAQ&imagekey=!1e10!2sAF1QipNMUTNjEus8hOEkrtQ7fp43ZkRsS-rsy4BzKmJZ&sa=X&ved=2ahUKEwjJ9ZDO1OTqAhXbgnIEHYi7BmMQoiowbXoECGkQBg Sounds: Many sound effects obtained from https://www.zapsplat.com/ Additional sound effects: * Payphone https://www.youtube.com/watch?v=vfs3ggttXak * Hang up https://www.youtube.com/watch?v=Is-5m74zmik * Dial tone https://www.youtube.com/watch?v=Ng3pbHFvKp0 * Dramatic hits https://www.youtube.com/watch?v=ZE6PuC2MnuE * Phone sounds https://www.youtube.com/watch?v=_Nl9tk3Zyu4 * Sliding paper https://www.youtube.com/watch?v=hS8i5TldLxw * Newsroom atmosphere https://www.youtube.com/watch?v=aHKN1zh5nB0 * Scary cymbals https://www.youtube.com/watch?v=fZ2TF9EupUc * Transitions https://www.youtube.com/watch?v=q1JB2uIpwL0 * Busy police station https://www.youtube.com/watch?v=OXxXoM-OqPM * Dramatic swoosh https://www.youtube.com/watch?v=ot_PlvIS3dQ * Fire woosh https://www.youtube.com/watch?v=bhG7ak7_Qyg * Incorrect https://www.youtube.com/watch?v=PdNb0r_n2mo * Marker https://www.youtube.com/watch?v=p_GCTlo3Mig * Crickets at night https://www.youtube.com/watch?v=eKmRkS1os7k * WWII dogfight https://www.youtube.com/watch?v=-OgP_nLMzSM * Paper crumple https://www.youtube.com/watch?v=10s1Vz1NjBM * Horror music https://www.youtube.com/watch?v=BzYPUjtEVqs * Heartbeat SFX provided by MrSnooze https://youtu.be/fLXLo3rEdrE * Typewriter https://www.youtube.com/watch?v=jsEbtUcDw40 * Ding https://www.youtube.com/watch?v=R6F0ysJIeHQ * Stretching https://www.youtube.com/watch?v=l70td8UoCiQ * Teletype https://www.youtube.com/watch?v=CwblSeIdi0s * Computer https://www.youtube.com/watch?v=cI6ygcSoGzg * DTMF tones https://www.youtube.com/watch?v=qg9xrP_U1Cg Special thanks to the CRRU unit of the FBI: https://www.fbi.gov/services/laboratory/scientific-analysis/cryptanalysis-racketeering