In September 2025, a traffic stop in southern Illinois uncovered a chilling scene—a man behind the wheel with his wife's lifeless body in the car. Investigators soon traced the crime back to the couple’s home. What led to this tragic betrayal? Join John Conner as he dives deep into the dark to discuss the murder of Amy Finney. Will this case be enough to make you check the locks?

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Man charged with murder in shooting death of wife in Jefferson County, Ill.

https://www.wsiu.org/wsiu-local-news/2025-09-02/jefferson-county-murder-investigation-results-in-arrest-of-mt-vernon-man

Man charged after wife's body found in car during southern Illinois traffic stop

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In 2010, an everyday family vanished from their Southern California home without a trace. Their SUV was found near the border, and many believed they had fled to Mexico. But years later, a shocking discovery in the Mojave Desert revealed the truth—the family had been brutally murdered. Who would want an entire family dead, and why? Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the murder of the McStay family. Will this case be enough to make you check the locks?

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

McStay murders: A man is on death row for the brutal killings of a young family found in shallow graves in the desert – but did he really do it? | The Independent

California man sentenced to death in killings of McStay family members in 2010

The McStay Family Murders And The 'Monster' Behind Them

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In the late 1990s, Lahore, Pakistan, was gripped by fear when a mysterious figure began preying on the most vulnerable—runaway and homeless boys. When police received a chilling letter of confession, the horrifying truth was revealed. Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the "killer of 100 boys," Javed Iqbal. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

The Gruesome Story Of Javed Iqbal, The Pakistani Serial Killer Who Murdered 100 Boys

LAHORE: Javed Iqbal, accomplice found dead in jail - DAWN.COM

BBC News | SOUTH ASIA | Pakistan 'serial killer' under interrogation

Javed Iqbal | Pakistani Serial Killer, Arrest & Sentence | Britannica

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When San Diego parents used a reputable childcare site, they thought their children were safe. Instead, the trusted babysitter and her boyfriend committed horrifying crimes against the most vulnerable kids. Join John Conner as he dives deep into the dark to discuss the childcare predator, Brittney Lyon. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

California Sitter Accused Of Molestation

Pair accused of sexually assaulting 2 girls

Babysitter Who Provided Special-Needs Children for her Boyfriend to Molest Sentenced to Life in Prison

Who is Brittney Mae Lyon? California babysitter gets 100 years in prison for providing boyfriend with girls to molest - Hindustan Times

‘Sick and evil monster’: California babysitter gets 100 years for sexually abusing children with boyfriend; ‘bartered’ them for dates - Times of India

Ex-babysitter faces 100-year term in state prison following guilty plea to molesting young girls

Carlsbad man gets 8 life sentences for molesting children supplied to him by a babysitter | KTLA

Carlsbad man gets 8 life sentences for molesting children | AP News

Couple Pleads Not Guilty to Sexually Assaulting 7-Year-Old Girls

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On August 21st, 1996, an 11-year-old girl vanished from her quiet Moline, Illinois, neighborhood. Witnesses reported seeing her climb into a gray sedan with an unknown man—and she was never seen again. For decades, the case went cold, leaving her family desperate for answers. Now, nearly 29 years later, a shocking indictment has brought new hope for justice. Join John Conner as he dives deep into the dark to discuss the disappearance of Trudy Appleby. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Cold Cases - Crime Stoppers of Quad Cities

Man arrested in murder of 11-year-old Trudy Appleby, who disappeared in 1996 in Moline, Illinois - CBS Chicago

Trudy Leann Appleby

‘Person of interest’ in Trudy Appleby case has died | OurQuadCities

Trudy Appleby's disappearance, 28 years later | wqad.com

Who is the man indicted in Trudy Appleby’s death?

Moline police identify two more ‘persons of interest’ in Trudy Appleby disappearance

Man indicted in Trudy Appleby disappearance

Best friend of girl, 11, who vanished 29 years ago sends heartbreaking plea to accused killer | Daily Mail Online

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In April 2020, a 38-year-old woman was shot in her sleep. The shooter? Her 16-year-old son—angry over a confiscated phone.

Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the murder of Sandy Willis. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Teenager shot, killed mother using her own gun because she took his phone

Son killed mother with her own gun as she slept because he was 'upset' about her taking his cellphone away

Dave Clark, District Attorney General - Anderson County, TN

Tennessee Teen Shoots Mom in the Head for Confiscating His Cell Phone – Crime Online

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In June 2021, a quiet Lake Tahoe family home became the scene of a calculated ambush. Two years later, the shocking truth emerged—a former MLB pitcher and a trusted family friend were behind the attack. Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the attack on Gary and Wendy Sophr. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

Audible: Enjoy 30 Days for Free

This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Ex-MLB Player Daniel Serafini Gunned Down In-Laws for $23M Fortune — with Babysitter's Help. Inside the Shocking Case (Exclusive)

Jury Finds Daniel Serafini Guilty of Murder | Placer County, CA

Former MLB pitcher Daniel Serafini found guilty in father-in-law's murder case - ABC News

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Just days before Christmas 1991, a 16-year-old girl was brutally attacked inside her home. Investigating the murder would lead to a case of teenage jealousy, stalking, and a cold-blooded plan for revenge. Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the murder of Laurie Show. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

Audible: Enjoy 30 Days for Free

This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Teen Girl Endured Jealousy-Fueled Terror Before Throat Was Slashed — But Final Whisper Exposed Her Killer

Tabitha Buck, Assisted in Laurie Show's 1991 Murder, Gets Parole Chance

Timeline: The murder of Laurie Show, trials and appeals of co-conspirators Lisa Michelle Lambert, Tabitha Buck, and Lawrence Yunkin | fox43.com

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A missing couple. A submerged car. And a smell that no one could ignore.

What started as a missing person's investigation turned into a nightmarish discovery. Join John Conner as he dives deep into the dark to discuss a developing story out of North Carolina. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

https://www.fox8live.com/2025/06/16/human-remains-found-plastic-containers-after-deputies-respond-missing-person-report/

Remains near Lake City identified as female, cause of death confirmed

Cause of death determined after remains found in plastic containers in Pee Dee home

Murder suspect held with no bond after extradition to Brunswick Co.

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A peaceful Amish morning is shattered when a 23-year-old expecting mother is found murdered in her Pennsylvania home. With few clues, many wonder who could commit such a devastating act of violence. Join Olivia Cornu and John Conner as they dive deep into the dark to discuss the murder of Rebekah Byler. Will this case be enough to make you check the locks?

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Check the Locks is Supported By: 

Audible: Enjoy 30 Days for Free

This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

Rebekah Byler murder: 23-year-old pregnant Amish woman killed in Crawford County, Pennsylvania, police say - ABC7 Los Angeles

Pregnant Amish woman was shot in head, 3-year-old son saw her killer

Pennsylvania man receives life in prison for murdering pregnant Amish woman - CBS Pittsburgh

Rebekah Byler Murder Case Update: Cranston Drove For The Amish

He Walked Into an Amish Home and Killed a Pregnant Woman with Her Children Feet Away — But What Brought Him There?

Man convicted in murder of pregnant Amish woman sentenced to 2 life terms in prison

Shawn Cranston receives two life sentences for murder of pregnant Amish woman

Convicted Murderer of Pregnant Crawford County Woman Sentenced to Consecutive Life Terms – PA Office of Attorney General

Rebekah Byler, pregnant Amish woman killed in home near Spartanburg, Pa., was found with throat cut; Shawn Cranston arrested - ABC30 Fresno

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