BeFreed
    Categories>Mystery>Notorious Unsolved Crimes That Haunt History

    Notorious Unsolved Crimes That Haunt History

    43 min
    |
    |
    Feb 11, 2026
    MysteryPsychologySociety

    Dive into the world's most baffling cold cases, from D.B. Cooper's daring hijacking to other mysteries that have stumped investigators for decades. Explore the science, psychology, and modern tools used to crack seemingly impossible cases.

    Notorious Unsolved Crimes That Haunt History

    Best quote from Notorious Unsolved Crimes That Haunt History

    “

    These cases aren't unsolvable because they're inherently impossible to crack—they're unsolvable because we haven't yet applied the right combination of modern tools and fresh perspectives.

    ”

    This audio lesson was created by a BeFreed community member

    Input question

    I want to learn about some of the most notorious unsolved crimes. Things like D.B cooper.

    Host voices
    Blytheplay
    Learning style
    Deep
    Knowledge sources
    Unmasked
    Killing the Mob
    Catch Me If You Can
    Mindhunter
    Ghost in the wires
    In Cold Blood

    Discover more

    Uncover WWII & Nazi Secrets; Write History

    Uncover WWII & Nazi Secrets; Write History

    LEARNING PLAN

    Uncover WWII & Nazi Secrets; Write History

    This plan is essential for aspiring historians and researchers who want to move beyond surface-level facts into the world of covert operations and classified archives. It provides the unique dual-skillset of rigorous investigative methodology and professional historical storytelling for those passionate about wartime mysteries.

    2 h 51 m•4 Sections
    Crime, Psych, Teaching & Paranormal

    Crime, Psych, Teaching & Paranormal

    LEARNING PLAN

    Crime, Psych, Teaching & Paranormal

    This interdisciplinary plan bridges the gap between behavioral science, education, and the supernatural. It is ideal for curious learners, educators, or aspiring investigators looking to master critical thinking and understand the complexities of the human mind.

    3 h 30 m•4 Sections
    Detective

    Detective

    LEARNING PLAN

    Detective

    This learning plan bridges the gap between fictional investigative brilliance and real-world forensic application. It is ideal for aspiring investigators, true crime enthusiasts, or anyone looking to sharpen their analytical and psychological profiling skills.

    2 h 49 m•3 Sections
    Frorensic medicine, psychology, criminology

    Frorensic medicine, psychology, criminology

    LEARNING PLAN

    Frorensic medicine, psychology, criminology

    This comprehensive plan bridges the gap between biological evidence and psychological motivation in the justice system. It is ideal for aspiring investigators, legal professionals, or true crime enthusiasts seeking a rigorous scientific understanding of how crimes are solved and prevented.

    3 h 10 m•4 Sections
    Study Social Sciences to Become a Detective

    Study Social Sciences to Become a Detective

    LEARNING PLAN

    Study Social Sciences to Become a Detective

    This learning plan bridges the gap between theoretical social science and practical investigative work. It is ideal for aspiring law enforcement professionals or private investigators looking to combine psychological insight with scientific rigor.

    3 h 13 m•4 Sections
    Research extreme violent sex and gore

    Research extreme violent sex and gore

    LEARNING PLAN

    Research extreme violent sex and gore

    This plan provides a rigorous academic foundation for those pursuing careers in criminology, forensic psychology, or investigative journalism. It bridges the gap between scientific theory and practical evidence analysis while emphasizing the critical ethical standards required in high-stakes research.

    3 h 18 m•4 Sections
    Boost Productivity & Learn Forensic Psych

    Boost Productivity & Learn Forensic Psych

    LEARNING PLAN

    Boost Productivity & Learn Forensic Psych

    This plan bridge the gap between high-performance systems and the fascinating world of behavioral science. It is designed for curious professionals or students who want to master their time while gaining a deep, expert-level understanding of criminal profiling and forensic psychology.

    3 h 10 m•4 Sections
    Adapt Epstein files into 7 podcast episodes

    Adapt Epstein files into 7 podcast episodes

    LEARNING PLAN

    Adapt Epstein files into 7 podcast episodes

    This learning plan is essential for aspiring investigative journalists and true-crime creators looking to handle high-stakes documentation with professional rigor. It bridges the gap between raw investigative research and polished, ethical audio storytelling for creators aiming to tackle complex historical cases.

    2 h 4 m•4 Sections

    From Columbia University alumni built in San Francisco

    BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds
    See more on how BeFreed is discussed across the web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    From Columbia University alumni built in San Francisco

    BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds
    See more on how BeFreed is discussed across the web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star
    1.5K Ratings4.7
    Start your learning journey, now
    BeFreed App
    BeFreed

    Learn Anything, Personalized

    DiscordLinkedIn
    Featured book summaries
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Trending categories
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Celebrities' reading list
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Award winning collection
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Featured Topics
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Best books by Year
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Featured authors
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs other apps
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Learning tools
    Knowledge VisualizerAI Podcast Generator
    Information
    About Usarrow
    Pricingarrow
    FAQarrow
    Blogarrow
    Careerarrow
    Partnershipsarrow
    Ambassador Programarrow
    Directoryarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Term of UsePrivacy Policy
    BeFreed

    Learn Anything, Personalized

    DiscordLinkedIn
    Featured book summaries
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Trending categories
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Celebrities' reading list
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Award winning collection
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Featured Topics
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Best books by Year
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Learning tools
    Knowledge VisualizerAI Podcast Generator
    Featured authors
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs other apps
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Information
    About Usarrow
    Pricingarrow
    FAQarrow
    Blogarrow
    Careerarrow
    Partnershipsarrow
    Ambassador Programarrow
    Directoryarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Term of UsePrivacy Policy

    Part of a Learning Plan

    Boost My Productivity

    Boost My Productivity

    LEARNING PLAN

    Boost My Productivity

    3 h 2 m•5 Episodes

    Key Takeaways

    1

    The Perfect Crime Mystery

    0:00
    2

    When Cases Go Cold and Stay That Way

    1:27
    1:58
    2:34
    3:13
    3:46
    4:30
    3

    The Science of Solving the Unsolvable

    5:05
    5:37
    6:16
    6:52
    7:36
    8:17
    4

    The Art of Reading Between the Decades

    8:57
    9:40
    10:17
    10:58
    11:36
    12:11
    12:41
    5

    Digital Ghosts and Modern Mysteries

    13:08
    13:57
    14:54
    15:34
    16:14
    16:53
    17:39
    6

    The Psychology of Perpetual Pursuit

    18:13
    19:03
    19:40
    20:14
    20:56
    21:34
    22:06
    7

    When DNA Tells Stories Decades Later

    22:34
    23:12
    23:41
    24:13
    24:41
    25:16
    25:49
    26:20
    8

    The Ecosystem of Modern Mystery Solving

    26:50
    27:27
    28:04
    28:41
    29:19
    29:51
    30:25
    30:58
    31:24
    9

    Your Cold Case Toolkit

    32:09
    32:36
    33:10
    33:47
    34:17
    34:48
    35:20
    35:45
    36:10
    36:36
    10

    The Truth About Closure

    37:07
    37:45
    38:12
    38:50
    39:17
    40:05
    40:41
    41:21
    41:53
    42:33
    43:11

    More like this

    America's Unsolved Enigmas book cover
    UnmaskedIn Cold BloodFurious HoursThe Barn
    17 sources
    America's Unsolved Enigmas
    Join Nia and Miles as they explore America's most baffling cold cases, from the Zodiac Killer to JonBenét Ramsey. Discover why these mysteries remain unsolved decades later and how they've shaped our cultural landscape.
    24 min
    Unmasked book cover
    Unmasked
    Paul Holes
    A gripping memoir of a forensic investigator's relentless pursuit of justice, solving notorious cold cases like the Golden State Killer.
    8 min
    History's Most Mind-Blowing Hidden Stories book cover
    source 1source 211 Amazing Historical Coincidences - Mental Flosssource 4
    6 sources
    History's Most Mind-Blowing Hidden Stories
    Discover explosive teeth, forgotten heroes who survived the impossible, and the shocking coincidences that shaped our world. From letters that rewrote nations to the seven moments that saved human freedom.
    14 min
    Uncovering History's Hidden Detective Work book cover
    A History of the English-Speaking PeoplesThe Fourth Turning is HereThe Silk RoadsThe Lessons of History
    24 sources
    Uncovering History's Hidden Detective Work
    Explore how historians piece together our past like detectives, examining sources and evidence to separate fact from fiction, and discover why historical thinking remains crucial in our modern world.
    44 min
    All the Weird Things in Life book cover
    source 1source 2source 3source 4
    6 sources
    All the Weird Things in Life
    Explore the fascinating psychology behind why we believe strange things and investigate genuinely unexplained phenomena that continue to baffle scientists - from mysterious creatures to ancient puzzles.
    26 min
    Crime's Greatest Illusion Revealed book cover
    Criminal PsychologyOut of CharacterMaking a PsychopathSociopath
    24 sources
    Crime's Greatest Illusion Revealed
    Discover why violent crime has plummeted for 30 years while fear soars, and explore the hidden forces shaping criminal behavior, justice systems, and our perceptions of safety.
    13 min
    Murder on the Orient Express book cover
    Murder on the Orient Express
    Agatha Christie
    A masterful whodunit set on a luxurious train, where detective Hercule Poirot unravels a complex murder with unexpected twists.
    9 min
    Cold-Case Christianity book cover
    Cold-Case Christianity
    J. Warner Wallace
    Cold-case detective uses forensic skills to prove Christianity's ancient claims.
    9 min