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In 1981, 13-year-old Mary Day vanished. Decades later, a woman emerges, claiming to be the missing girl. Is she telling the truth, or is this a masterful deception? This gripping episode of 48 Hours delves into the mystery surrounding Mary Day's disappearance, exploring conflicting evidence and shocking revelations. Will the truth ever be uncovered? Watch now and decide for yourself. #48Hours #MaryDay #MissingPerson #UnsolvedMystery #TrueCrime

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Murder

The Murder of Anna Repkina | Full Episode

The Murder of Anna Repkina | Full Episode

42:26

The Accidental Husband | Full Episode

The Accidental Husband | Full Episode

44:11

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

Teen Murders His Crush and Pretends to Be Concerned

Teen Murders His Crush and Pretends to Be Concerned

35:14

The CIA's Chase To Catch The Infamous Che Guevara | CIA Declassified

The CIA's Chase To Catch The Infamous Che Guevara | CIA Declassified

48:15

Jade Janks and the Secret Photos | Full Episode + Post Mortem

Jade Janks and the Secret Photos | Full Episode + Post Mortem

01:10:34

The Menendez Brothers’ Fight for Freedom | Full Episode + Post Mortem

The Menendez Brothers’ Fight for Freedom | Full Episode + Post Mortem

01:01:49

Twisted Secrets Unveiled: The Mysterious Death of Katy Briscoe

Twisted Secrets Unveiled: The Mysterious Death of Katy Briscoe

45:48

Notorious Murder Cases | "48 Hours" Full Episodes

Notorious Murder Cases | "48 Hours" Full Episodes

02:05:47

The Atlanta Serial Killer: Linking Crimes To A Murderer’s Lair | The New Detectives | Real Crime

The Atlanta Serial Killer: Linking Crimes To A Murderer’s Lair | The New Detectives | Real Crime

52:34

Stephen Smith: A Death In Murdaugh Country | Full Episode + Post Mortem

Stephen Smith: A Death In Murdaugh Country | Full Episode + Post Mortem

01:06:46

The Disappearance of Maddi Kingsbury | Full Episode + Post Mortem

The Disappearance of Maddi Kingsbury | Full Episode + Post Mortem

01:05:56

The Night of the Idaho Student Murders | Full Episode

The Night of the Idaho Student Murders | Full Episode

42:01

The Fenn Treasure | Full Episode

The Fenn Treasure | Full Episode

42:01

Surviving 11 Bullets: New York's Most Feared Gangster

Surviving 11 Bullets: New York's Most Feared Gangster

43:43

A Killer Tries to Fool Cops to Get Away with Murder

A Killer Tries to Fool Cops to Get Away with Murder

28:56

Murders involving people in law enforcement | "48 Hours" Full Episodes

Murders involving people in law enforcement | "48 Hours" Full Episodes

02:04:33

How a Nurse Killed 7 Newborns and Almost Got Away With It

How a Nurse Killed 7 Newborns and Almost Got Away With It

29:14

#LindasStory | Full Episode

#LindasStory | Full Episode

41:46

The Assassination of Jeff German | Full Episode

The Assassination of Jeff German | Full Episode

41:49

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Abductions

The Twisted Case Of Marisela Botello

The Twisted Case Of Marisela Botello

19:04

One Last Ride: The Deadly Cabby | World’s Most Evil Killers | Real Crime

One Last Ride: The Deadly Cabby | World’s Most Evil Killers | Real Crime

43:15

The Shocking Story of the Trucker Who Killed 50 People | The FBI Files | Real Crime

The Shocking Story of the Trucker Who Killed 50 People | The FBI Files | Real Crime

50:12

The Family That Was Murdered for £5 Million | Real Crime

The Family That Was Murdered for £5 Million | Real Crime

47:13

The Rise of Piracy in South East Asia | the Pirates of Asia

The Rise of Piracy in South East Asia | the Pirates of Asia

23:53

Vulnerable Woman Suspiciously Vanishes From Foster Family | Murder At My Door | Real Crime

Vulnerable Woman Suspiciously Vanishes From Foster Family | Murder At My Door | Real Crime

43:59

What Happened To Melissa Brannen? | The FBI Files | Real Crime

What Happened To Melissa Brannen? | The FBI Files | Real Crime

52:39

Motel Disappearance: Uncovering The Dark World Of A Mystery Woman | Forensics | Real Crime

Motel Disappearance: Uncovering The Dark World Of A Mystery Woman | Forensics | Real Crime

46:16

James Bulger's Killers: Jon Venables & Robert Thompson | Trevor Macdonald Investigates | Real Crime

James Bulger's Killers: Jon Venables & Robert Thompson | Trevor Macdonald Investigates | Real Crime

46:50

Stolen Innocence: Mother And Baby Kidnapped And Tortured | The FBI Files

Stolen Innocence: Mother And Baby Kidnapped And Tortured | The FBI Files

45:41

Vatican Secrets Unveiled: The Kidnapping of a Young Girl | Real Crime

Vatican Secrets Unveiled: The Kidnapping of a Young Girl | Real Crime

51:10

The Dangers Of Modern Dating | Murder On the Internet (Part 1) | Real Crime

The Dangers Of Modern Dating | Murder On the Internet (Part 1) | Real Crime

43:28

Deadly Dreams | "48 Hours" Full Episodes

Deadly Dreams | "48 Hours" Full Episodes

02:05:34

A Man with a Past | Full Episode

A Man with a Past | Full Episode

41:15

The Disturbing Case Of Timothy Ferriter

The Disturbing Case Of Timothy Ferriter

38:49

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

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

42:05

Alisa Mathewson's Night Terrors | Full Episode

Alisa Mathewson's Night Terrors | Full Episode

41:42

The Kidnapping of Schanda Handley | Full Episode

The Kidnapping of Schanda Handley | Full Episode

41:47

The Horrors of Sex Trafficking: The Real Sex Traffic (Full Documentary)

The Horrors of Sex Trafficking: The Real Sex Traffic (Full Documentary)

48:32

Vanishing Act: The Hunt for Margaret and Cory Ray | The Prosecutors | Real Crime

Vanishing Act: The Hunt for Margaret and Cory Ray | The Prosecutors | Real Crime

01:39:25

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Unsolved Mysteries

How a Daughter Allegedly Killed Her Entire Family for Money

How a Daughter Allegedly Killed Her Entire Family for Money

20:12

True Crime and Celebrity Deaths Investigations | "48 Hours" Full Episodes

True Crime and Celebrity Deaths Investigations | "48 Hours" Full Episodes

02:06:09

Murder and Manhunts | "48 Hours" Full Episodes

Murder and Manhunts | "48 Hours" Full Episodes

02:05:54

12 Most TWISTED Family Massacres You've Ever Heard (True Crime Documentary)

12 Most TWISTED Family Massacres You've Ever Heard (True Crime Documentary)

04:01:55

From Elaborate Heists To Explosive Hate Crimes | Exhibit A Quadruple Episode | Real Crime

From Elaborate Heists To Explosive Hate Crimes | Exhibit A Quadruple Episode | Real Crime

01:32:25

Deadly Design | "Candyman" | "48 Hours" Podcast (Episode 2)

Deadly Design | "Candyman" | "48 Hours" Podcast (Episode 2)

30:46

2 Hours Of Shocking Murder Mysteries | The New Detectives

2 Hours Of Shocking Murder Mysteries | The New Detectives

02:29:20

Lorenzen Wright: No Defense | Full Episode

Lorenzen Wright: No Defense | Full Episode

42:17

Moonless Night | "Murder in the Orange Grove" | "48 Hours" Podcast (Episode 1)

Moonless Night | "Murder in the Orange Grove" | "48 Hours" Podcast (Episode 1)

33:22

The Search for Christie Wilson | Full Episode

The Search for Christie Wilson | Full Episode

41:43

Unidentified Body Found In North Carolina Wilderness | The New Detectives | @RealCrime

Unidentified Body Found In North Carolina Wilderness | The New Detectives | @RealCrime

01:41:46

Animals involved in murder? | "48 Hours" Full Episodes

Animals involved in murder? | "48 Hours" Full Episodes

02:05:38

Trails of Evidence Vol. II | "48 Hours" Full Episodes

Trails of Evidence Vol. II | "48 Hours" Full Episodes

02:04:17

Deadly Dreams | "48 Hours" Full Episodes

Deadly Dreams | "48 Hours" Full Episodes

02:05:34

2 Hours Investigating Shocking Cold Cases of Nearly Perfect Crimes

2 Hours Investigating Shocking Cold Cases of Nearly Perfect Crimes

02:29:39

Where is Erin? | "48: NCIS" | "48 Hours" Podcast (Episode 1)

Where is Erin? | "48: NCIS" | "48 Hours" Podcast (Episode 1)

33:55

Wife Files For Divorce - Days Later She's Seen Kidnapped On CCTV | The Case Of Marta Chmielecka

Wife Files For Divorce - Days Later She's Seen Kidnapped On CCTV | The Case Of Marta Chmielecka

19:40

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

Not Adding Up | “48 Hours" Full Episodes

Not Adding Up | “48 Hours" Full Episodes

02:04:49

The Mysterious Corpse With No Hands | Forensics | Real Crime

The Mysterious Corpse With No Hands | Forensics | Real Crime

44:56

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Cold Cases

Secrets of Palm Beach | Full Episode

Secrets of Palm Beach | Full Episode

42:05

Introducing Raynella Leath | "Married to Death" | "48 Hours" Podcast

Introducing Raynella Leath | "Married to Death" | "48 Hours" Podcast

19:52

The Stranger You Know | Full Episode

The Stranger You Know | Full Episode

43:48

Interviewing a Killer | The Fisherman (Full Documentary) | Real Crime

Interviewing a Killer | The Fisherman (Full Documentary) | Real Crime

51:43

Stranger Danger: Careful Who You Trust

Stranger Danger: Careful Who You Trust

50:49

Blood Chilling Story Of Scotland's Most Terrifying Serial Killer | World’s Most Evil Killers

Blood Chilling Story Of Scotland's Most Terrifying Serial Killer | World’s Most Evil Killers

41:36

The Sleepwalking Murderer | Exhibit A (Double Episode) | Real Crime

The Sleepwalking Murderer | Exhibit A (Double Episode) | Real Crime

44:58

Why Did the Menendez Brothers Murder Their Parents?

Why Did the Menendez Brothers Murder Their Parents?

40:40

The Body in the Bag: Mystery in the Quarry | Murder She Solved | Real Crime

The Body in the Bag: Mystery in the Quarry | Murder She Solved | Real Crime

43:12

Glasgow: The Murder Capital Of Europe | Gangs of Britain

Glasgow: The Murder Capital Of Europe | Gangs of Britain

43:25

When People Mysteriously Dissapear

When People Mysteriously Dissapear

47:28

Body Found On Mississippi: The Chilling Case of Barbara Longfield | Dark Waters Of Crime

Body Found On Mississippi: The Chilling Case of Barbara Longfield | Dark Waters Of Crime

45:20

When a Serial Killer Realizes He's Going Jail

When a Serial Killer Realizes He's Going Jail

22:58

Serial Killer Goes On A Dating Show?! | World’s Most Evil Killers | Real Crime

Serial Killer Goes On A Dating Show?! | World’s Most Evil Killers | Real Crime

43:02

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

The Perfect Crime? Bones Discovered In Abandoned Woodlands | The New Detectives | Real Crime

The Perfect Crime? Bones Discovered In Abandoned Woodlands | The New Detectives | Real Crime

51:12

The Horrifying 1999 Snowtown Murders | City Of Evil | Real Crime

The Horrifying 1999 Snowtown Murders | City Of Evil | Real Crime

46:30

People As Prey: The Case of Human Hunter | The FBI Files

People As Prey: The Case of Human Hunter | The FBI Files

50:05

BTK: Catching One Of The Most Infamous Serial Killers | World’s Most Evil Killers | Real Crime

BTK: Catching One Of The Most Infamous Serial Killers | World’s Most Evil Killers | Real Crime

42:48

London’s 1953 Axe Murders | Murder Maps

London’s 1953 Axe Murders | Murder Maps

43:07

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