BeFreed
    Categories>Mystery>America's Unsolved Enigmas

    America's Unsolved Enigmas

    24分
    |
    |
    2026年1月16日
    MysterySocial ScienceThriller

    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.

    America's Unsolved Enigmas

    America's Unsolved Enigmasのベスト引用

    “

    Homicide clearance rates have been plummeting since the 1960s—we went from over 90% of cases being solved to barely 50% today. It’s a perfect storm of urbanization, stranger-on-stranger violence, and a shift toward gun violence, which is notoriously harder to crack.

    ”

    このオーディオレッスンはBeFreedコミュニティメンバーが作成しました

    質問を入力

    I want to learn about puzzling, unsolved crimes within the United States

    ホストの声
    Niaplay
    Milesplay
    学習スタイル
    ディープ
    知識ソース
    Unmasked
    In Cold Blood
    Furious Hours
    Barn
    Mindhunter
    Forensics

    もっと発見

    Inside the Profiler's Mind
    学習プラン

    Inside the Profiler's Mind

    This plan provides a foundational look at the transition from traditional investigative methods to scientific behavioral analysis. It is ideal for true crime enthusiasts and aspiring criminologists seeking to understand the reality behind criminal psychology.

    1 h 12 m•3 セクション
    Detective
    学習プラン

    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.

    4 h 47 m•3 セクション
    Secrets of a Strange Earth
    学習プラン

    Secrets of a Strange Earth

    This plan is designed for curious minds who want to look beyond conventional knowledge to understand the anomalies of our universe and species. It is perfect for lifelong learners and trivia enthusiasts seeking to bridge the gap between science, history, and psychology.

    1 h 36 m•4 セクション
    Frorensic medicine, psychology, criminology
    学習プラン

    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.

    5 h 55 m•4 セクション
    The Mind of the Hunter
    学習プラン

    The Mind of the Hunter

    Understanding the psychological architecture of violent offenders is crucial for professionals in criminal justice and forensic psychology. This plan is ideal for aspiring profilers or true crime enthusiasts looking to move beyond headlines into the science of behavioral analysis.

    2 h 18 m•3 セクション
    Adapt Epstein files into 7 podcast episodes
    学習プラン

    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.

    1 h 24 m•4 セクション
    The Anatomy of a Murderous Idea
    学習プラン

    The Anatomy of a Murderous Idea

    This plan is essential for students of literature and philosophy seeking to understand the psychological depths of Crime and Punishment. It is ideal for anyone interested in the intersection of morality, criminal psychology, and the arduous path toward spiritual atonement.

    1 h•3 セクション
    Nature's Lethal Ambition
    学習プラン

    Nature's Lethal Ambition

    This plan offers a unique look at how humanity has harnessed nature's toxins for power, war, and status. It is ideal for history buffs, science enthusiasts, and true crime fans interested in the dark evolution of toxicology.

    1 h 12 m•3 セクション

    コロンビア大学卒業生がサンフランシスコで開発

    BeFreedは1,000,000の好奇心旺盛な仲間が集うグローバルコミュニティ
    BeFreedがウェブ上でどのように話題になっているかをもっと見る

    "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

    コロンビア大学卒業生がサンフランシスコで開発

    BeFreedは1,000,000の好奇心旺盛な仲間が集うグローバルコミュニティ
    BeFreedがウェブ上でどのように話題になっているかをもっと見る

    "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
    今すぐ学習の旅を始めよう
    BeFreed App
    BeFreed

    なんでも、あなた向けに学ぶ

    DiscordLinkedIn
    注目の書籍要約
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    人気のカテゴリ
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    著名人の読書リスト
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    受賞作品コレクション
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    注目のトピック
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    年別ベストブック
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    注目の著者
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs 他のアプリ
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    学習ツール
    Knowledge VisualizerAI Podcast Generator
    情報
    会社概要arrow
    料金arrow
    よくある質問arrow
    ブログarrow
    採用情報arrow
    パートナーシップarrow
    アンバサダープログラムarrow
    ディレクトリarrow
    BeFreed
    Try now
    © 2026 BeFreed
    利用規約プライバシーポリシー
    BeFreed

    なんでも、あなた向けに学ぶ

    DiscordLinkedIn
    注目の書籍要約
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    人気のカテゴリ
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    著名人の読書リスト
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    受賞作品コレクション
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    注目のトピック
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    年別ベストブック
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    学習ツール
    Knowledge VisualizerAI Podcast Generator
    注目の著者
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs 他のアプリ
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    情報
    会社概要arrow
    料金arrow
    よくある質問arrow
    ブログarrow
    採用情報arrow
    パートナーシップarrow
    アンバサダープログラムarrow
    ディレクトリarrow
    BeFreed
    Try now
    © 2026 BeFreed
    利用規約プライバシーポリシー

    重要なポイント

    1

    America's Unsolved Enigmas

    0:00
    0:20
    0:38
    0:42
    1:00
    1:12
    1:29
    2

    The Haunting Pattern of America's Cold Cases

    1:42
    1:55
    1:58
    2:15
    2:22
    2:44
    3:00
    3:15
    3:18
    3:37
    3:45
    3:58
    4:11
    4:26
    1:12
    3

    When Evidence Speaks Louder Than Time

    4:48
    5:00
    5:18
    5:19
    5:37
    5:45
    6:06
    6:09
    6:24
    6:35
    6:52
    6:58
    6:58
    6:58
    4

    The Psychology Behind America's Most Baffling Mysteries

    6:59
    7:13
    7:27
    6:35
    7:56
    8:10
    8:25
    8:37
    8:52
    1:12
    9:18
    9:27
    5

    The Technology Revolution in Cold Case Investigation

    9:42
    9:53
    10:09
    5:45
    10:28
    10:40
    10:54
    10:59
    6:24
    6:35
    11:32
    11:37
    11:51
    12:03
    6

    The Human Cost of Unsolved Justice

    12:20
    12:33
    12:45
    1:12
    13:10
    6:35
    13:40
    13:51
    14:02
    14:15
    14:29
    1:12
    14:49
    11:37
    15:09
    7

    Breakthrough Moments and Unexpected Revelations

    15:20
    15:31
    15:49
    15:51
    16:03
    0:20
    16:25
    16:33
    16:45
    16:46
    17:01
    1:12
    17:25
    17:36
    17:52
    1:12
    8

    The Dark Geography of American Crime

    18:16
    18:27
    18:42
    1:12
    19:06
    19:13
    19:29
    19:36
    19:48
    19:53
    20:05
    20:13
    20:26
    20:33
    20:44
    1:12
    9

    Learning from America's Unsolved Mysteries

    21:05
    21:16
    21:32
    1:12
    21:56
    22:03
    22:18
    6:35
    22:37
    22:43
    22:57
    23:08
    23:21
    23:27
    23:42
    1:12
    24:06
    24:18
    24:33
    6:35

    関連コンテンツ

    Notorious Unsolved Crimes That Haunt History の書籍表紙
    UnmaskedKilling the MobCatch Me If You CanMindhunter. La storia vera del primo cacciatore di serial killer americano
    23 sources
    Notorious Unsolved Crimes That Haunt History
    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.
    43 min
    Unmasked の書籍表紙
    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
    Earth's Greatest Mysteries: Ancient Civilizations to Quantum Consciousness の書籍表紙
    source 1source 2source 4
    6 sources
    Earth's Greatest Mysteries: Ancient Civilizations to Quantum Consciousness
    Journey through mind-bending mysteries from 130,000-year-old human presence in America to quantum physics and UFO encounters. Discover how ancient earthworks, lost civilizations, and consciousness itself challenge everything we think we know about reality.
    11 min
    America's Hidden History Uncovered の書籍表紙
    The 1619 ProjectAn Indigenous Peoples' History of the United StatesA People’s History of the United StatesFrom #BlackLivesMatter to Black Liberation
    12 sources
    America's Hidden History Uncovered
    Explore the uncomfortable truths of American history that textbooks omit—from slavery's economic impact to forgotten heroes of resistance—and discover how these suppressed narratives continue to shape our nation today.
    21 min
    Exploring Life's Most Fascinating Mysteries Together の書籍表紙
    source 1source 2source 3source 4
    6 sources
    Exploring Life's Most Fascinating Mysteries Together
    Join Lena and Eli for an intellectual adventure through quantum physics, consciousness, human progress, and our cosmic place in the universe. A captivating journey connecting science, philosophy, and wonder.
    18 min
    America's Leaky Justice System Exposed の書籍表紙
    Doing JusticeJustice: What's the Right Thing to Do?The Tyranny of Good IntentionsThe New Jim Crow
    20 sources
    America's Leaky Justice System Exposed
    Discover why only 4% of serious crimes lead to prosecution and how America's $200 billion justice system really works behind the myths.
    41 min
    Hearts of Darkness の書籍表紙
    Hearts of Darkness
    Jana Monroe
    A gripping memoir of a pioneering FBI profiler, exploring serial killers' minds and challenges faced as a woman in law enforcement.
    8 min
    Surprise, Kill, Vanish の書籍表紙
    Surprise, Kill, Vanish
    Annie Jacobsen
    Covert assassins exposed: America's lethal shadow war revealed.
    9 min