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A chilling vow. A deadly plot. Maria Spencer threatened to kill her ex—and enlisted her own father to help. 48 Hours correspondent Peter Van Sant investigates this shocking case: why did no one stop her? Watch the full episode to uncover the disturbing truth. #48Hours #TrueCrime #Murder

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Murder

Social Media Clues | "48 Hours" Full Episodes

Social Media Clues | "48 Hours" Full Episodes

02:08:32

Who Took Our Dad? The Abduction of Ray Wright | Full Episode

Who Took Our Dad? The Abduction of Ray Wright | Full Episode

40:41

Joseph's Confession: Stormy Clues and the Missing Women Puzzle | The New Detectives | Real Crime

Joseph's Confession: Stormy Clues and the Missing Women Puzzle | The New Detectives | Real Crime

01:42:10

The Plot to Eliminate Alyssa Burkett | Full Episode

The Plot to Eliminate Alyssa Burkett | Full Episode

41:54

Solve this case: Who Killed Kay Wenal? | Full Episode

Solve this case: Who Killed Kay Wenal? | Full Episode

43:36

The Man Who Knew Too Much: Spies, Fake News and Disinformation | Real Crime

The Man Who Knew Too Much: Spies, Fake News and Disinformation | Real Crime

01:06:39

Twisted Secrets Unveiled: The Mysterious Death of Katy Briscoe

Twisted Secrets Unveiled: The Mysterious Death of Katy Briscoe

45:48

Behind the Curtains: Investigating the Shocking Murder of a Cellist | Bizarre Murders | Real Crime

Behind the Curtains: Investigating the Shocking Murder of a Cellist | Bizarre Murders | Real Crime

50:16

Sins of the Father | Full Episode

Sins of the Father | Full Episode

43:39

The Chilling Story of Ada James' Murder | Roy Marsden's Incident Room | Real Crime

The Chilling Story of Ada James' Murder | Roy Marsden's Incident Room | Real Crime

45:02

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

How The Most Impressive Criminals Achieved The Impossible | Masterminds Compilation | Real Crime

How The Most Impressive Criminals Achieved The Impossible | Masterminds Compilation | Real Crime

01:25:57

Maria Spencer’s Vow to Kill | Full Episode

Maria Spencer’s Vow to Kill | Full Episode

42:02

The Ambush of Kevin Harris | Full Episode

The Ambush of Kevin Harris | Full Episode

41:50

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

Justice for Sheila? | Full Episode

Justice for Sheila? | Full Episode

42:11

The Night of the Idaho Student Murders | Full Episode

The Night of the Idaho Student Murders | Full Episode

42:01

The Tragic And Suspicious Night George Button Died | Nightmare In Suburbia | Real Crime

The Tragic And Suspicious Night George Button Died | Nightmare In Suburbia | Real Crime

47:34

Serial Killer Anthony Sowell: Stories of Women Who Escaped His Kidnappings | @RealCrime

Serial Killer Anthony Sowell: Stories of Women Who Escaped His Kidnappings | @RealCrime

01:25:29

The Murder of Anna Repkina | Full Episode

The Murder of Anna Repkina | Full Episode

42:26

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Violence

Convicted By A Splinter | Exhibit A: Secrets of Forensic Science | Real Crime

Convicted By A Splinter | Exhibit A: Secrets of Forensic Science | Real Crime

22:08

The Mysterious Fire That Killed Catherine Novak | Killer's Mistake | Real Crime

The Mysterious Fire That Killed Catherine Novak | Killer's Mistake | Real Crime

01:24:19

Mother and Daughter Team Up To Scam Pensioners' Inheritance | True Crime Documentary | Real Crime

Mother and Daughter Team Up To Scam Pensioners' Inheritance | True Crime Documentary | Real Crime

48:00

True Crime Documentary | Struggle for Justice | the Rapist of the East | Real Crime

True Crime Documentary | Struggle for Justice | the Rapist of the East | Real Crime

46:08

Honor Killings: Conservative Father Kills Two Teenage Daughters (Full Documentary) | Real Crime

Honor Killings: Conservative Father Kills Two Teenage Daughters (Full Documentary) | Real Crime

01:49:08

Crucial Evidence Found In Garbage Leads To Ruthless Killer | Forensics

Crucial Evidence Found In Garbage Leads To Ruthless Killer | Forensics

43:48

FBI Hunts Thrill Killers Preying On Adults And Children | The FBI Files | Real Crime

FBI Hunts Thrill Killers Preying On Adults And Children | The FBI Files | Real Crime

50:05

No Remorse: The Twisted Kid Killer | World’s Most Evil Killers | Real Crime

No Remorse: The Twisted Kid Killer | World’s Most Evil Killers | Real Crime

43:02

Gary Ridgway: The Green River Killer | Real Crime

Gary Ridgway: The Green River Killer | Real Crime

45:10

The Downfall Of Myra Hindley: The Victims and Survivors of The Moors Murders (Part 2)

The Downfall Of Myra Hindley: The Victims and Survivors of The Moors Murders (Part 2)

44:31

Pablo Escobar's Cartel Take Down: FBI's Most Dangerous Undercover Mission

Pablo Escobar's Cartel Take Down: FBI's Most Dangerous Undercover Mission

49:06

6/19: Relatives of slain congregants forgive Charleston suspect; Father's Day for Steve Hartman

6/19: Relatives of slain congregants forgive Charleston suspect; Father's Day for Steve Hartman

20:24

Driven To Kill: What Makes A Serial Killer Tick? | Greatest Crimes Of All Time | Real Crime

Driven To Kill: What Makes A Serial Killer Tick? | Greatest Crimes Of All Time | Real Crime

48:05

The Case That Jeopardised The Abolition Of The Death Penalty | Murder Maps | Real Crime

The Case That Jeopardised The Abolition Of The Death Penalty | Murder Maps | Real Crime

43:07

The Neighbours of Big Brother

The Neighbours of Big Brother

45:44

Fathers Who Kill: The Tragic Story Of The Jersey Murders | Real Crime

Fathers Who Kill: The Tragic Story Of The Jersey Murders | Real Crime

44:31

Racist Murderer On Loose: TheStory of The 22 Caliber Killer | The FBI Files

Racist Murderer On Loose: TheStory of The 22 Caliber Killer | The FBI Files

49:58

Counterfeit Baseballs & Romance Fraud | Scammed

Counterfeit Baseballs & Romance Fraud | Scammed

22:06

Cop Killer on the Loose: FBI's Intense Manhunt in Washington D.C. | The FBI Files

Cop Killer on the Loose: FBI's Intense Manhunt in Washington D.C. | The FBI Files

49:55

2011 Norway Massacre: Anders Breivick’s Deranged Killing Spree (Full Documentary) | Real Crime

2011 Norway Massacre: Anders Breivick’s Deranged Killing Spree (Full Documentary) | Real Crime

45:00

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