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The Black Dahlia murder remains Los Angeles' oldest unsolved case. This full episode of "48 Hours" reveals new clues and information that could finally crack the mystery surrounding the young Hollywood actress's death. Erin Moriarty investigates. Will this be the breakthrough that brings justice? Watch now!

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Cold Cases

The Stranger You Know | Full Episode

The Stranger You Know | Full Episode

43:48

The Suspicious Death of Megan Parra | Full Episode

The Suspicious Death of Megan Parra | Full Episode

41:50

Inside The Autopsy Room: When Science Solves Mysterious Murders | New Detectives | Real Crime

Inside The Autopsy Room: When Science Solves Mysterious Murders | New Detectives | Real Crime

51:21

The Most Gruesome Murder in Arizona | The FBI Files

The Most Gruesome Murder in Arizona | The FBI Files

50:05

Gruesome Murder That Shocked America I Forensics

Gruesome Murder That Shocked America I Forensics

45:34

Murder: A Family Business (Father-Daughter Killer Documentary) | Sabrina: Daddy's Girl | Real Crime

Murder: A Family Business (Father-Daughter Killer Documentary) | Sabrina: Daddy's Girl | Real Crime

52:41

Serial Killer Nurse: The Case of Angel Of Death

Serial Killer Nurse: The Case of Angel Of Death

45:23

Gary Ridgway: The Green River Killer | Real Crime

Gary Ridgway: The Green River Killer | Real Crime

45:10

Abducted From A Slumber Party: The Murder Of Polly Klaas | The FBI Files | Real Crime

Abducted From A Slumber Party: The Murder Of Polly Klaas | The FBI Files | Real Crime

51:36

Was LA's Night Stalker Destined For Violence? | Born To Kill?

Was LA's Night Stalker Destined For Violence? | Born To Kill?

44:26

Murderous Pair: How Brothers Became Killers | The FBI Files

Murderous Pair: How Brothers Became Killers | The FBI Files

50:05

Black Widow: The Deadly Betrayal Of A Young Cop | Murder She Solved | Real Crime

Black Widow: The Deadly Betrayal Of A Young Cop | Murder She Solved | Real Crime

43:55

What Happened to the Perfect Child? | Full Episode

What Happened to the Perfect Child? | Full Episode

41:21

Finding Jane Doe: Terrifying Murder Solved | The FBI Files | Real Crime

Finding Jane Doe: Terrifying Murder Solved | The FBI Files | Real Crime

50:06

Money, Love, and Murder: The Tragic Story of Stephen and Evelyn | Real Crime

Money, Love, and Murder: The Tragic Story of Stephen and Evelyn | Real Crime

47:20

Wife Killer Unmasked: The Family Man Who Almost Got Away WIth Murder | Real Crime

Wife Killer Unmasked: The Family Man Who Almost Got Away WIth Murder | Real Crime

49:11

The Filmmaker Who Brought His Horror Movie To Life | Dark Waters Of Crime | Real Crime

The Filmmaker Who Brought His Horror Movie To Life | Dark Waters Of Crime | Real Crime

45:20

Lethal Ladies: The Female Touch | Greatest Crimes of All Time | Real Crime

Lethal Ladies: The Female Touch | Greatest Crimes of All Time | Real Crime

48:20

Myra Hindley: The Evilest Woman In Britain | Ladykillers | Real Crime

Myra Hindley: The Evilest Woman In Britain | Ladykillers | Real Crime

47:25

Murder For Hire Conspiracy | The FBI Files | Real Crime

Murder For Hire Conspiracy | The FBI Files | Real Crime

50:24

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Murder

Lethal Ladies: The Female Touch | Greatest Crimes of All Time | Real Crime

Lethal Ladies: The Female Touch | Greatest Crimes of All Time | Real Crime

48:20

6 Disturbing Family Massacres to Keep You Awake at Night

6 Disturbing Family Massacres to Keep You Awake at Night

02:04:10

Good Cop/Bad Cop: Solving the Murder of Heather Bogle | Full Episode

Good Cop/Bad Cop: Solving the Murder of Heather Bogle | Full Episode

41:11

Terror by Mail: The Shocking Case of the Serial Bomber | The New Detectives | Real Crime

Terror by Mail: The Shocking Case of the Serial Bomber | The New Detectives | Real Crime

52:51

Reuschel vs. Reuschel | Full Episode

Reuschel vs. Reuschel | Full Episode

41:58

The Mysterious Murder Of Joan Beddeson | Nightmare In Suburbia | Real Crime

The Mysterious Murder Of Joan Beddeson | Nightmare In Suburbia | Real Crime

47:19

What Ally Kostial Didn’t Know | Full Episode

What Ally Kostial Didn’t Know | Full Episode

41:42

Behind the Flames: Baltimore's Arson-For-Profit Scheme Exposed | The New Detectives | Real Crime

Behind the Flames: Baltimore's Arson-For-Profit Scheme Exposed | The New Detectives | Real Crime

53:33

Sole Survivor | Full Episode

Sole Survivor | Full Episode

41:35

The Ghosts of El Segundo | Full Episode

The Ghosts of El Segundo | Full Episode

42:18

From Skinhead Leader to Redemption: A Gripping Transformation | Escape from Room 18

From Skinhead Leader to Redemption: A Gripping Transformation | Escape from Room 18

57:51

The Angel Perez Murder Case: Unmasking the Execution-Style Killer | Exhibit A | Real Crime

The Angel Perez Murder Case: Unmasking the Execution-Style Killer | Exhibit A | Real Crime

46:23

Who Poisoned Angela Craig? | Full Episode

Who Poisoned Angela Craig? | Full Episode

40:41

Taken Away | Full Episode

Taken Away | Full Episode

41:39

Resident Evil | Full Episode

Resident Evil | Full Episode

41:52

One Disturbed Man That Ended Seven Lives | Killers Mistake | Real Crime

One Disturbed Man That Ended Seven Lives | Killers Mistake | Real Crime

01:31:23

From Fake Deaths To Solving Grisly Murders | The New Detectives | Real Crime

From Fake Deaths To Solving Grisly Murders | The New Detectives | Real Crime

01:41:59

The Monica Sementilli Affair | Full Episode

The Monica Sementilli Affair | Full Episode

40:57

The Strange Death of Professor Shockley | Full Episode

The Strange Death of Professor Shockley | Full Episode

41:49

Based on a True Story | "Candyman" | "48 Hours" Podcast (Episode 4)

Based on a True Story | "Candyman" | "48 Hours" Podcast (Episode 4)

37:14

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Unsolved Mysteries

The Ultimatum | Full Episode

The Ultimatum | Full Episode

42:06

Cops Make Disturbing Discovery While Searching Killer's House

Cops Make Disturbing Discovery While Searching Killer's House

25:37

Taken Away | Full Episode

Taken Away | Full Episode

41:39

Russian Roulette | "48 Hours: NCIS" | "48 Hours" Podcast (Episode 3)

Russian Roulette | "48 Hours: NCIS" | "48 Hours" Podcast (Episode 3)

30:23

Stephen Smith: A Death in Murdaugh Country | Full Episode

Stephen Smith: A Death in Murdaugh Country | Full Episode

42:02

Frozen Body Leads Cops To A Trail Of Death | The New Detectives | Real Crime

Frozen Body Leads Cops To A Trail Of Death | The New Detectives | Real Crime

01:40:27

Capturing Moriah Wilson's Killer | Full Episode + Post Mortem

Capturing Moriah Wilson's Killer | Full Episode + Post Mortem

01:06:09

Daddy's Little Girl | Full Episode

Daddy's Little Girl | Full Episode

42:18

Reality Kills | Full Episode

Reality Kills | Full Episode

41:33

Homicide in Isolation: The Stories of Crystal Andrews & Leah Anderson | Taken | Real Crime

Homicide in Isolation: The Stories of Crystal Andrews & Leah Anderson | Taken | Real Crime

43:30

The Suspects Next Door | "Candyman" | "48 Hours" Podcast (Episode 3)

The Suspects Next Door | "Candyman" | "48 Hours" Podcast (Episode 3)

33:18

The Case of the Black Swan (Part 1) | Full Episode

The Case of the Black Swan (Part 1) | Full Episode

42:22

3 Hours Of American Murder Mysteries To Fall Asleep To | New Detectives Marathon

3 Hours Of American Murder Mysteries To Fall Asleep To | New Detectives Marathon

03:14:45

The Brutal Family Murder That Has Never Been Solved

The Brutal Family Murder That Has Never Been Solved

48:55

Fatal First Date | Full Episode

Fatal First Date | Full Episode

41:36

Reasons To Kill | “48 Hours" Full Episodes

Reasons To Kill | “48 Hours" Full Episodes

02:05:43

Shocking True Crime Cases Police Tried to Cover Up

Shocking True Crime Cases Police Tried to Cover Up

01:49:34

Black Dahlia Confidential | Full Episode

Black Dahlia Confidential | Full Episode

42:34

Murder at the Mall: The Michelle Martinko Case | Full Episode

Murder at the Mall: The Michelle Martinko Case | Full Episode

41:01

Scary and Sinister True Crime | "48 Hours" Full Episodes

Scary and Sinister True Crime | "48 Hours" Full Episodes

02:04:40

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Violence

The Most Dangerous Women Behind Bars in the USA | Trevor McDonald

The Most Dangerous Women Behind Bars in the USA | Trevor McDonald

45:50

Murder Over Divorce? The Cold Murder Of A Wife | World’s Most Evil Killers | Real Crime

Murder Over Divorce? The Cold Murder Of A Wife | World’s Most Evil Killers | Real Crime

42:37

Perfect Disguise: Doctors Who Kill | Greatest Crimes Of All Time | Real Crime

Perfect Disguise: Doctors Who Kill | Greatest Crimes Of All Time | Real Crime

48:05

A Tragic Crash Reveals A Homicidal Cover-Up | Exhibit A | @RealCrime

A Tragic Crash Reveals A Homicidal Cover-Up | Exhibit A | @RealCrime

01:30:57

Nature Or Nurture? | Born To Kill? S1 Marathon | Real Crime

Nature Or Nurture? | Born To Kill? S1 Marathon | Real Crime

04:32:20

The KKK Hitman | True Crime Documentary | Real Crime

The KKK Hitman | True Crime Documentary | Real Crime

50:06

The Real Life Countess Dracula | Ladykillers | Real Crime

The Real Life Countess Dracula | Ladykillers | Real Crime

46:46

The Crime That Changed The Death Sentence Law In France | Almost Perfect Crimes

The Crime That Changed The Death Sentence Law In France | Almost Perfect Crimes

52:58

Father Kills His Daughter And A Serial Poisoner's 16 Year Reign | Confessions Of Crime | Real Crime

Father Kills His Daughter And A Serial Poisoner's 16 Year Reign | Confessions Of Crime | Real Crime

44:12

Mississippi's Wealthiest Business Man's Wife Kidnapped & Murdered

Mississippi's Wealthiest Business Man's Wife Kidnapped & Murdered

51:26

Plane Hijacked In Jamaica: Held Hostage In Montego Bay | I, Hostage

Plane Hijacked In Jamaica: Held Hostage In Montego Bay | I, Hostage

42:05

Murder For Hire Conspiracy | The FBI Files | Real Crime

Murder For Hire Conspiracy | The FBI Files | Real Crime

50:24

Pawel Tuchlin: The Polish Hammer Murderer | Worlds Most Evil Killers | Real Crime

Pawel Tuchlin: The Polish Hammer Murderer | Worlds Most Evil Killers | Real Crime

40:34

Reuschel vs. Reuschel | Full Episode

Reuschel vs. Reuschel | Full Episode

41:58

Caught in the Crossfire Part 2 | Full Episode

Caught in the Crossfire Part 2 | Full Episode

43:43

What the Jury Doesn’t Hear | "Married to Death" | "48 Hours" Podcast

What the Jury Doesn’t Hear | "Married to Death" | "48 Hours" Podcast

20:55

Rocky Mountain Militia: Guns, Hate And Conspiracy Theories | I Witness S1 EP2 | Real Crime

Rocky Mountain Militia: Guns, Hate And Conspiracy Theories | I Witness S1 EP2 | Real Crime

21:39

Who Planted The Underground Bomb That Killed Nine Miners? | Exhibit A | @RealCrime

Who Planted The Underground Bomb That Killed Nine Miners? | Exhibit A | @RealCrime

01:52:26

Accidental Killing: The Poisonous Aphrodisiac

Accidental Killing: The Poisonous Aphrodisiac

44:05

The Star Is Dead: The Murder of Nick De Noia | The FBI Files

The Star Is Dead: The Murder of Nick De Noia | The FBI Files

50:21

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