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A chilling mystery unfolds in Circleville, Ohio, where anonymous letters threaten to expose the town's darkest secrets. Erin Moriarty of "48 Hours" investigates this decades-old case, revealing a web of deception, suspicion, and unanswered questions. Will the truth ever be revealed? Dive into this gripping episode of "48 Hours" to find out. #48Hours #truecrime #mystery #CirclevilleLetters #coldcase

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Cold Cases

The Lost Boy | Full Episode

The Lost Boy | Full Episode

43:00

The Mysterious Case Of Debbie Collier

The Mysterious Case Of Debbie Collier

27:18

Robin Hood-Esque Bank Robber Gains Fans For Pre-Christmas Robbery | The FBI FIles | Real Crime

Robin Hood-Esque Bank Robber Gains Fans For Pre-Christmas Robbery | The FBI FIles | Real Crime

49:05

On The Trail of a Hitman: Murder She Solved | Real Crime

On The Trail of a Hitman: Murder She Solved | Real Crime

43:29

Bizarre Crime Capital Of The World? | City Of Evil | Real Crime

Bizarre Crime Capital Of The World? | City Of Evil | Real Crime

46:00

The Cunning And Murderous Landlady | World’s Most Evil Killers | Real Crime

The Cunning And Murderous Landlady | World’s Most Evil Killers | Real Crime

43:24

The Case of Louise Ellis and Her Convicted Murderer Lover | Murder She Solved | Real Crime

The Case of Louise Ellis and Her Convicted Murderer Lover | Murder She Solved | Real Crime

43:26

The Conman Who Faked His Own Death

The Conman Who Faked His Own Death

48:15

Race Against Time: Finding The Missing Before It’s Too Late

Race Against Time: Finding The Missing Before It’s Too Late

28:38

The Golden State Killer | Full Episode

The Golden State Killer | Full Episode

43:47

Partying Teens Murder A Homeless Man | Dark Waters Of Crime | Real Crime

Partying Teens Murder A Homeless Man | Dark Waters Of Crime | Real Crime

45:19

The Senseless Killing Of Ivy League Professors | The FBI Files | Real Crime

The Senseless Killing Of Ivy League Professors | The FBI Files | Real Crime

49:05

Terrifying Murder of Canadian Beauty Queen I Murder She Solved

Terrifying Murder of Canadian Beauty Queen I Murder She Solved

43:40

The Gruesome Murder Of A Taxi Driver | Murder She Solved | Real Crime

The Gruesome Murder Of A Taxi Driver | Murder She Solved | Real Crime

43:26

The Shocking Case of the Dismembered Body: Who Was Jane Doe? | Murder She Solved | Real Crime

The Shocking Case of the Dismembered Body: Who Was Jane Doe? | Murder She Solved | Real Crime

44:51

When Being Innocent Is Not Enough | Innocence Network | Real Crime

When Being Innocent Is Not Enough | Innocence Network | Real Crime

45:35

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

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

44:58

Jane Doe: Solving The Murder Of A Woman With No Name

Jane Doe: Solving The Murder Of A Woman With No Name

46:06

Murderous Pair: How Brothers Became Killers | The FBI Files

Murderous Pair: How Brothers Became Killers | The FBI Files

50:05

Filmmaker lures victim to garage using a dating site

Filmmaker lures victim to garage using a dating site

03:55

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Unsolved Mysteries

Death In A Music Festival And A Body In A Kitchen Freezer | Dark Waters Of Crime | Real Crime

Death In A Music Festival And A Body In A Kitchen Freezer | Dark Waters Of Crime | Real Crime

01:30:20

Race Against Time: Finding The Missing Before It’s Too Late

Race Against Time: Finding The Missing Before It’s Too Late

28:38

The Corn Rake Murder | Full Episode

The Corn Rake Murder | Full Episode

42:12

The Dixie Mafia's Dark Secrets | The FBI Files

The Dixie Mafia's Dark Secrets | The FBI Files

50:05

Murder Mysteries and Voices from the Dead | "48 Hours" Full Episodes

Murder Mysteries and Voices from the Dead | "48 Hours" Full Episodes

02:04:45

Gangster Number 1: The Freddie Foreman Story (Full Documentary) | Real Crime

Gangster Number 1: The Freddie Foreman Story (Full Documentary) | Real Crime

01:29:52

Social Media Clues | "48 Hours" Full Episodes

Social Media Clues | "48 Hours" Full Episodes

02:08:32

Chacey Poynter: Witness to Murder | Full Episode

Chacey Poynter: Witness to Murder | Full Episode

41:47

What Happened to Ruth Wilson? | True Crime Documentary | Real Crime

What Happened to Ruth Wilson? | True Crime Documentary | Real Crime

30:25

The Detective's Wife | Full Episode

The Detective's Wife | Full Episode

42:02

The Fenn Treasure | Full Episode

The Fenn Treasure | Full Episode

42:01

Dear Savanna | Full Episode

Dear Savanna | Full Episode

42:19

Lorenzen Wright: No Defense | Full Episode

Lorenzen Wright: No Defense | Full Episode

42:17

Lucille's Killer: Murderer On The Loose | Australian Crime Stories

Lucille's Killer: Murderer On The Loose | Australian Crime Stories

46:10

The Day My Mother Vanished | Full Episode

The Day My Mother Vanished | Full Episode

41:07

The Disappearance of Kelly Dwyer | Full Episode

The Disappearance of Kelly Dwyer | Full Episode

41:48

The Man Who Pre-paid For His Funeral Before His Death (Full Documentary) | Real Crime

The Man Who Pre-paid For His Funeral Before His Death (Full Documentary) | Real Crime

43:49

The Truth Will Set You Free | My Talk With A Murderer | Real Crime

The Truth Will Set You Free | My Talk With A Murderer | Real Crime

01:19:32

Christmas Murder: A Renowned Archaeologist’s Tragic Death | 72 Hours | Real Crime

Christmas Murder: A Renowned Archaeologist’s Tragic Death | 72 Hours | Real Crime

01:27:23

What Happened to The Eastern Beauty Queen? | Forensics

What Happened to The Eastern Beauty Queen? | Forensics

42:37

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Murder

Fritz Honka: The Red Light District Killer | World’s Most Evil Killers | Real Crime

Fritz Honka: The Red Light District Killer | World’s Most Evil Killers | Real Crime

42:29

Devil From Hell: The Story Of A Gruesome Child Murderer | World’s Most Evil Killers

Devil From Hell: The Story Of A Gruesome Child Murderer | World’s Most Evil Killers

43:12

Officer Down! | The FBI Files S5 SP7

Officer Down! | The FBI Files S5 SP7

49:34

From Hero to Suspect: The Shocking Murder Of Loving Parents | Nightmare In Suburbia | Real Crime

From Hero to Suspect: The Shocking Murder Of Loving Parents | Nightmare In Suburbia | Real Crime

45:38

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

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

42:22

Mysterious Gruesome Murder Leaves Investigators In A Deadlock | The New Detectives | @RealCrime

Mysterious Gruesome Murder Leaves Investigators In A Deadlock | The New Detectives | @RealCrime

01:40:18

Secrets, Lies, and Murder: The Sagal Awad Case Unveiled | 72 Hours | Real Crime

Secrets, Lies, and Murder: The Sagal Awad Case Unveiled | 72 Hours | Real Crime

43:45

Chasing a Serial Killer Across State Lines | FBI Files Movie of the Week | Real Crime

Chasing a Serial Killer Across State Lines | FBI Files Movie of the Week | Real Crime

52:01

Mysterious Cliff Fall: Uncovering the Truth Behind a Tragic Death | New Detectives | Real Crime

Mysterious Cliff Fall: Uncovering the Truth Behind a Tragic Death | New Detectives | Real Crime

53:28

For the Love of Cayley Mandadi | Full Episode

For the Love of Cayley Mandadi | Full Episode

42:01

The Night of the Idaho Student Murders | Full Episode

The Night of the Idaho Student Murders | Full Episode

42:01

Who Wanted Nicki Lenway Dead? | Full Episode

Who Wanted Nicki Lenway Dead? | Full Episode

41:15

The Killer Who Sparked The Biggest Manhunt

The Killer Who Sparked The Biggest Manhunt

29:03

Criminal Blunders | "48 Hours" Full Episodes

Criminal Blunders | "48 Hours" Full Episodes

02:04:43

The Mortician, The Murder, The Movie | Full Episode

The Mortician, The Murder, The Movie | Full Episode

42:09

Mysterious Small Town Double Homicide: Who Killed the Farmer and His Wife? | Real Crime

Mysterious Small Town Double Homicide: Who Killed the Farmer and His Wife? | Real Crime

44:59

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

Behind the Chilling Story of the Hillside Strangler | The New Detectives | Real Crime

Behind the Chilling Story of the Hillside Strangler | The New Detectives | Real Crime

52:52

Addiction, Pregnancy And Desperation: Heartbreaking Struggles of Inmates | Prison Girls | Real Crime

Addiction, Pregnancy And Desperation: Heartbreaking Struggles of Inmates | Prison Girls | Real Crime

44:48

The Mysterious Double Murder Of A Loving Older Couple | Exhibit A | @RealCrime

The Mysterious Double Murder Of A Loving Older Couple | Exhibit A | @RealCrime

01:09:21

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Violence

Night Stalker: The Vicious Killer That Terrorised LA | World’s Most Evil Killers | Real Crime

Night Stalker: The Vicious Killer That Terrorised LA | World’s Most Evil Killers | Real Crime

44:03

Teen Sisters Murder Their Mother | Dark Waters Of Crime | Real Crime

Teen Sisters Murder Their Mother | Dark Waters Of Crime | Real Crime

45:42

For the Love of Cayley Mandadi | Full Episode + Post Mortem

For the Love of Cayley Mandadi | Full Episode + Post Mortem

01:01:55

Inside The Washington DC Gang That Took On The FBI | The FBI Files

Inside The Washington DC Gang That Took On The FBI | The FBI Files

50:12

Shocking Case Of Californian Bank Robbers | The FBI Files S5 Ep16

Shocking Case Of Californian Bank Robbers | The FBI Files S5 Ep16

49:32

Ruthless Mother Murdered Her Own Son | The FBI Files

Ruthless Mother Murdered Her Own Son | The FBI Files

50:34

The Super-Spreader: Killing With STIs | Exhibit A: Secrets of Forensic Science | Real Crime

The Super-Spreader: Killing With STIs | Exhibit A: Secrets of Forensic Science | Real Crime

22:35

The Murdering Outlaw Who Thought He Was Above The Law | The FBI Files | Real Crime

The Murdering Outlaw Who Thought He Was Above The Law | The FBI Files | Real Crime

52:06

Evil Grindr Killed Who Preyed On Young Boys: Stephen Port

Evil Grindr Killed Who Preyed On Young Boys: Stephen Port

42:52

The Surrey Monster: Levi Bellfield's Story | World’s Most Evil Killers

The Surrey Monster: Levi Bellfield's Story | World’s Most Evil Killers

42:30

The Monster That Kept Little Girls In Dungeons | World’s Most Evil Killers | Real Crime

The Monster That Kept Little Girls In Dungeons | World’s Most Evil Killers | Real Crime

43:26

The Marriage Death Pact | Made For Murder

The Marriage Death Pact | Made For Murder

46:12

Echoes of Horror: The Gay Slayer's Dark Confession | Born To Kill? | Real Crime

Echoes of Horror: The Gay Slayer's Dark Confession | Born To Kill? | Real Crime

45:29

What Angelina Saw | Full Episode

What Angelina Saw | Full Episode

42:03

The Mysterious Death Of A South Carolina Farmer | The FBI Files

The Mysterious Death Of A South Carolina Farmer | The FBI Files

49:34

When Trusted Policemen Break The Law | The FBI Files

When Trusted Policemen Break The Law | The FBI Files

50:06

Bobby Joe Long: The Man Who Loved Killing Women | World’s Most Evil Killers

Bobby Joe Long: The Man Who Loved Killing Women | World’s Most Evil Killers

44:23

Gangster Number 1: The Freddie Foreman Story (Full Documentary) | Real Crime

Gangster Number 1: The Freddie Foreman Story (Full Documentary) | Real Crime

01:29:52

Falsely Convicted By A Drug Addict's Confession: Senior Citizen Murder

Falsely Convicted By A Drug Addict's Confession: Senior Citizen Murder

46:00

Scientology: Murders and Cover-Ups (Full Documentary) | Real Crime

Scientology: Murders and Cover-Ups (Full Documentary) | Real Crime

41:11

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