True Crime

Someone Knows Something

CBC Podcasts

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Host David Ridgen joins victims’ family members as they investigate cold cases, tracking down leads, speaking to suspects and searching for answers. S1: Adrien McNaughton. S2: Sheryl Sheppard. S3: Dee & Moore. S4: Wayne Greavette.

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S4 Episode 3: The Deer

42:45 | Feb 19th, 2018

Danielle and Justin meet with Ed Galick who was Wayne’s former employer and mentor. He was also a person of interest to police. Ed and Wayne were like father and son, but then things took a turn in their relationship.

S4 Episode 1: 9-1-1

50:46 | Feb 5th, 2018

When a flashlight bomb killed Wayne Greavette in 1996, it also destroyed his family. Years later, Wayne's widow and adult children reunite to revisit the case and search for answers.

S4 Episode 4: D & L

40:41 | Feb 26th, 2018

A disturbing piece of information about Wayne’s past is revealed and the Greavettes meet one of the people mentioned in the death letter.

S4 Episode 2: Death Letter

46:09 | Feb 12th, 2018

David meets the police officers involved in the Greavette case to learn about their investigation and find out what the evidence reveals about who might have killed Wayne.

S3 Episode 1: The Wrong Body

1:11:47 | Nov 6th, 2017

In 1964, two klansmen were arrested for the murder of Dee & Moore: James Ford Seale and Charles Marcus Edwards. The charges were dropped. But Edwards is still known to be alive, and Thomas wants to meet him face to face.

S1 Update: Final Response

18:51 | Mar 29th, 2018

In March 2018, David and his team of volunteers conduct a fourth search of Holmes Lake for Adrien McNaughton. It's the deepest and most thorough search to date and, with the help of cadaver dogs, leads to important discoveries.

Introducing: Finding Cleo

36:15 | Mar 8th, 2018

Taken by child welfare workers in the 1970s and adopted out to the U.S., a Cree family believes their sister was raped and murdered while hitchhiking home to Saskatchewan. Host Connie Walker joins the search to find out what really happened to Cleo.

S4 Episode 5: Jr.

1:03:12 | Mar 5th, 2018

David and the Greavette family track down every available lead, investigating whether Wayne's murder is linked to the water industry, biker gangs or organized crime.

S3 Episode 4: Bunkley

48:07 | Nov 6th, 2017

David and Thomas search for MHSP officers and FBI agents who were present during Seale and Edwards's arrests. And Thomas looks for the support of the local community as he plans to confront the Klansmen in person.

S3 Episode 6: Reckoning

50:45 | Nov 6th, 2017

In the aftermath of the Dee-Moore case, questions remain. Years later, David and Thomas return to Mississippi to meet old friends, mourn those who have passed and to try meeting the Klansman turned church deacon, Charles Marcus Edwards, one more time...Show More

S3 Episode 3: The Hornet’s Nest

42:54 | Nov 6th, 2017

David and Thomas meet journalist Jerry Mitchell, who has stacks of FBI documents about the case. They speak to people who lived through the terror of civil rights era Mississippi, and visit U.S. Attorney Dunn Lampton to try to get the case reopened.

S3 Episode 2: The Klansman

1:02:03 | Nov 6th, 2017

Why did authorities close the case? David & Thomas speak with the FBI and local District Attorney to try to find out. They also meet Henry's sister Thelma and Joe Lee, one of the last to see Dee & Moore alive. Thomas makes a shocking discovery.

S3 Episode 5: The Bridge

49:45 | Nov 6th, 2017

The investigation continues, leading to the doorsteps of more former Klansmen. Then, a surprising revelation from Lampton.

S2 Episode 12: Lavoie

1:20:37 | Feb 13th, 2017

Where is Sheryl Sheppard? David looks into her potential whereabouts and makes direct contact with the man police have named as the prime suspect in Sheryl's disappearance: Michael Lavoie.

S1 Episode 1: The family

23:57 | Mar 1st, 2016

What happened the day five-year-old Adrien McNaughton wandered into the woods and was never seen again? How does a family grieve for someone who may still be alive? And where might he be today? SKS host David Ridgen returns to his hometown to investi...Show More

Introducing: Bomb on Board

38:48 | Nov 21st, 2018

A plane blown from the sky, 52 victims, four suspects - one investigation. Season 2 of Uncover investigates one of the largest unsolved mass murders on Canadian soil. Subscribe to Uncover: Bomb on Board now.

S5 Episode 10 Part 2: Sumner

27:16 | Nov 19th, 2018

Trevor Brown speaks for the first time with the man who was accused of murdering his sister.

S5 Episode 10 Part 1: Sumner

55:40 | Nov 19th, 2018

Patrick Sumner was arrested and charged with Kerrie's murder, but discharged after a preliminary hearing. He has never spoken to the media to give his side of the story. Until now.

S5 Episode 9: Marnie

1:05:25 | Nov 12th, 2018

David tracks down the civilian phone operator who says she received a suspicious phone call the night Kerrie disappeared.

S5 Episode 8: Other Brother

55:41 | Nov 5th, 2018

Trevor wasn't Kerrie's only sibling. David takes the investigation closer to home.

S5 Episode 7: Luella

47:59 | Nov 5th, 2018

A woman writes a name on a scrap of paper and hands it to Jim Brown. Is this the tip he's been waiting for?

S5 Episode 6: The Call

54:11 | Oct 29th, 2018

A retired RCMP officer claims that certain suspects, tips and evidence may have been overlooked during the original investigation, including a very suspicious phone call.

S5 Episode 5 Part 2: Mad Max

31:29 | Oct 29th, 2018

Another muscle car, similar to the one seen by witnesses near the crime scene, was out driving through Thompson on the night of Kerrie's murder. The driver of that car was known as Mad Max.

S5 Episode 5 Part 1: Rollie

37:11 | Oct 29th, 2018

The investigation leads to a local mechanic, who has information about Patrick Sumner's vehicle, and similar cars that may have been in Thompson on the night of Kerrie's murder.

S5 Episode 4: Graveyard Road

1:04:09 | Oct 22nd, 2018

A local teenager witnessed two vehicles leaving the crime scene the night Kerrie was murdered. What did he see that night? And more importantly, who?

S5 Episode 3: Helen Betty Osborne

54:08 | Oct 22nd, 2018

Another young woman was brutally murdered in northern Manitoba in 1971. But unlike the Brown case, a perpetrator was eventually brought to justice. What can be learned from the Helen Betty Osborne case?

S5 Episode 2: Dead End

1:11:00 | Oct 16th, 2018

David speaks with the woman who discovered Kerrie's body to learn about the crime scene and meets with the police officer currently in charge of Kerrie's case.

S5 Episode 1: Ravens

1:03:04 | Oct 16th, 2018

On a cold October night in 1986, 15-year-old Kerrie Brown disappeared from a house party. Her friends and family recall that fateful night and the devastating effect it's had on their lives.

Season 5 - Preview

02:37 | Oct 5th, 2018

SKS Season 5 will begin on Tuesday, October 16.

Introducing: Escaping NXIVM

36:46 | Sep 12th, 2018

NXIVM calls itself a humanitarian community. Experts call it a cult. Uncover - the new investigative series from CBC Podcasts - looks into the group, its leader Keith Raniere and one woman's journey to get out. Subscribe to Uncover: Escaping NXIVM no...Show More

S1 - S5 Updates

10:00 | Jul 3rd, 2018

Updates on Seasons 1 through 4. And an announcement: SKS will be back with Season 5 in October 2018.

S4 Greavette - Preview

01:38 | Jan 29th, 2018

In SKS Season 4: Greavette, David Ridgen continues the work he began nine years ago, investigating the murder of Wayne Greavette.

S3 Episode 7: Epilogue

46:07 | Jan 22nd, 2018

In this bonus episode, David travels back to Mississippi, follows up on the Dee & Moore case, and looks at the fate of other civil rights era cases in the wake of the James Ford Seale trial.

S3 Dee & Moore - Preview

01:21 | Oct 24th, 2017

All six episodes of SKS Season 3: Dee & Moore will be available on Tuesday, November 7th, 2017.

S1 & S2 Update and what's next

16:39 | Sep 18th, 2017

In a live Q&A from CBC Hamilton, David provides updates on the Adrien McNaughton and Sheryl Sheppard cases, as well as a sneak peek at what’s to come.

S2 Episode 12: Lavoie

1:20:37 | Feb 13th, 2017

Where is Sheryl Sheppard? David looks into her potential whereabouts and makes direct contact with the man police have named as the prime suspect in Sheryl's disappearance: Michael Lavoie.

S2 Episode 11: Blackmail

1:12:43 | Feb 6th, 2017

As David tries to track down and speak to Brian Sweeney, Sheryl's ex-husband, evidence begins to pile up that Sheryl may have known her life was in danger.

S2 Episode 11: Blackmail

1:12:43 | Feb 6th, 2017

As David tries to track down and speak to Brian Sweeney, Sheryl's ex-husband, evidence begins to pile up that Sheryl may have known her life was in danger.

S2 Episode 10: Mom

1:01:03 | Jan 30th, 2017

David speaks to people who knew Michael Lavoie as a child, as well as members of his family, including his mother, Pat Lavoie.

S2 Episode 10: Mom

1:01:03 | Jan 30th, 2017

David speaks to people who knew Michael Lavoie as a child, as well as members of his family, including his mother, Pat Lavoie.

S2 Episode 9: The Appearance of Force

50:05 | Jan 23rd, 2017

David takes a closer look at the New Year's Eve proposal video with a forensic psychologist and the TV host who was there that night. We also hear from people who say they witnessed violence between Michael and Sheryl first hand.

S2 Episode 9: The Appearance of Force

50:05 | Jan 23rd, 2017

David takes a closer look at the New Year's Eve proposal video with a forensic psychologist and the TV host who was there that night. We also hear from people who say they witnessed violence between Michael and Sheryl first hand.

S2 Episode 8: Gwen

39:31 | Jan 16th, 2017

Gwen speaks about her relationship with Michael Lavoie, what she recalls from those crucial days in January 1998, and the effect that Sheryl's disappearance had on Gwen and her family.

S2 Episode 8: Gwen

39:31 | Jan 16th, 2017

Gwen speaks about her relationship with Michael Lavoie, what she recalls from those crucial days in January 1998, and the effect that Sheryl's disappearance had on Gwen and her family.

S2 Episode 7: Ghost

37:52 | Jan 9th, 2017

David drives cross-country to meet with Gwen, Michael Lavoie's partner of many years. Retired detectives share new details about their investigation. And a local reporter reveals a previously unreported story about Lavoie.

S2 Episode 7: Ghost

37:52 | Jan 9th, 2017

David drives cross-country to meet with Gwen, Michael Lavoie's partner of many years. Retired detectives share new details about their investigation. And a local reporter reveals a previously unreported story about Lavoie.

S2 Episode 6: Stepbrother

32:12 | Jan 2nd, 2017

David tracks down Michael Lavoie's stepbrother, Mark Dempsey, and talks to him about family, betrayal and the criminal code.

S2 Episode 6: Stepbrother

32:12 | Jan 2nd, 2017

David tracks down Michael Lavoie's stepbrother, Mark Dempsey, and talks to him about family, betrayal and the criminal code.

S2 Episode 5: Girlfriend

43:50 | Dec 19th, 2016

In the weeks surrounding Sheryl's disappearance, Michael Lavoie began a relationship with another woman, Sheila Darbyson. Sheila talks for the first time about many surprising details. (Episode 6 will be released on Monday, January 2, 2017)

S2 Episode 5: Girlfriend

43:50 | Dec 19th, 2016

In the weeks surrounding Sheryl's disappearance, Michael Lavoie began a relationship with another woman, Sheila Darbyson. Sheila talks for the first time about many surprising details. (Episode 6 will be released on Monday, January 2, 2017)

S2 Episode 4: Intimation

46:37 | Dec 12th, 2016

The search for more information about Sheryl’s disappearance begins to both widen and focus on the details, as David uses everything from Facebook to knocking on doors to try to figure out what might have happened to Sheryl.

S2 Episode 4: Intimation

46:37 | Dec 12th, 2016

The search for more information about Sheryl’s disappearance begins to both widen and focus on the details, as David uses everything from Facebook to knocking on doors to try to figure out what might have happened to Sheryl.

S1 Update

09:23 | Dec 7th, 2016

The investigation into the Adrien McNaughton case continues. Since the season finale, there have been meetings with police, two search dives and some discoveries.

S1 Update

09:23 | Dec 7th, 2016

The investigation into the Adrien McNaughton case continues. Since the season finale, there have been meetings with police, two search dives and some discoveries.

S2 Episode 3: Blondie

1:16:52 | Dec 5th, 2016

Who was Sheryl Sheppard? David speaks to her family, friends and coworkers to try to find out if there was anything in her past that could provide clues to explain her sudden disappearance.

S2 Episode 3: Blondie

1:16:52 | Dec 5th, 2016

Who was Sheryl Sheppard? David speaks to her family, friends and coworkers to try to find out if there was anything in her past that could provide clues to explain her sudden disappearance.

S2 Episode 2: The Hammer

44:17 | Nov 28th, 2016

Hamilton police discover Sheryl Sheppard’s fiancé, Michael Lavoie, parked in a storage locker overcome by exhaust fumes. SKS host David Ridgen talks to police about their original investigation to begin piecing together what happened that fateful wee...Show More

S2 Episode 2: The Hammer

44:17 | Nov 28th, 2016

Hamilton police discover Sheryl Sheppard’s fiancé, Michael Lavoie, parked in a storage locker overcome by exhaust fumes. SKS host David Ridgen talks to police about their original investigation to begin piecing together what happened that fateful wee...Show More

S2 Episode 1: The Trailer Park

43:16 | Nov 21st, 2016

When Odette Fisher returned from holidays in New Brunswick, she expected her daughter, Sheryl Sheppard, to pick her up at the train station. Sheryl never showed up. And Sheryl’s new fiancé said he hadn’t seen her for days.

S2 Episode 1: The Trailer Park

43:16 | Nov 21st, 2016

When Odette Fisher returned from holidays in New Brunswick, she expected her daughter, Sheryl Sheppard, to pick her up at the train station. Sheryl never showed up. And Sheryl’s new fiancé said he hadn’t seen her for days.

SKS Season 2 Preview

01:40 | Nov 14th, 2016

New case. New leads. New hope. David Ridgen is back, investigating another missing person cold case. Season 2 of Someone Knows Something will launch Nov 21.

SKS Season 2 Preview

01:40 | Nov 14th, 2016

New case. New leads. New hope. David Ridgen is back, investigating another missing person cold case. Season 2 of Someone Knows Something will launch Nov 21.

S1 Episode 11: Terminus

36:35 | May 12th, 2016

In the season finale of SKS, David Ridgen wraps up loose ends, looks into ways to continue the investigation into Adrien's disappearance, and speaks with the McNaughton family about their experience of reopening the case.

S1 Episode 11: Terminus

36:35 | May 12th, 2016

In the season finale of SKS, David Ridgen wraps up loose ends, looks into ways to continue the investigation into Adrien's disappearance, and speaks with the McNaughton family about their experience of reopening the case.

S1 Episode 10: The Abyss

43:34 | May 2nd, 2016

Five scuba divers conduct a search of Holmes Lake.

S1 Episode 10: The Abyss

43:34 | May 2nd, 2016

Five scuba divers conduct a search of Holmes Lake.

S1 Episode 9: What we know

12:47 | Apr 24th, 2016

The investigation pauses as the search divers wait for Holmes Lake to thaw. In the meantime, SKS revisits the people, information and new leads that have been uncovered in the case so far.

S1 Episode 9: What we know

12:47 | Apr 24th, 2016

The investigation pauses as the search divers wait for Holmes Lake to thaw. In the meantime, SKS revisits the people, information and new leads that have been uncovered in the case so far.

S1 Episode 8: Clyde Forks

38:39 | Apr 17th, 2016

Two psychics pointed to the remote town of Clyde Forks in their readings of Adrien McNaughton's fate and whereabouts. Could the missing boy have grown up in a secluded town an hour's drive from his family home?

S1 Episode 8: Clyde Forks

38:39 | Apr 17th, 2016

Two psychics pointed to the remote town of Clyde Forks in their readings of Adrien McNaughton's fate and whereabouts. Could the missing boy have grown up in a secluded town an hour's drive from his family home?

S1 Episode 7: First Attempt

33:47 | Apr 10th, 2016

A divemaster prepares to search Holmes Lake before winter arrives ​and the lake freezes over. And John Gervais identifies the mysterious vehicle he saw at the lake the day Adrien disappeared.

S1 Episode 7: First Attempt

33:47 | Apr 10th, 2016

A divemaster prepares to search Holmes Lake before winter arrives ​and the lake freezes over. And John Gervais identifies the mysterious vehicle he saw at the lake the day Adrien disappeared.

S1 Episode 6: The scent

31:44 | Apr 3rd, 2016

The cadaver dogs continue their search for the scent of human remains in the Holmes Lake area.

S1 Episode 6: The scent

31:44 | Apr 3rd, 2016

The cadaver dogs continue their search for the scent of human remains in the Holmes Lake area.

S1 Episode 5: Breeze & Grief

27:42 | Mar 27th, 2016

Two cadaver dogs are brought in to search the area of Holmes Lake where five-year-old Adrien McNaughton was last seen.

S1 Episode 5: Breeze & Grief

27:42 | Mar 27th, 2016

Two cadaver dogs are brought in to search the area of Holmes Lake where five-year-old Adrien McNaughton was last seen.

S1 Episode 4: Hello, Adrien?

27:57 | Mar 21st, 2016

Is Adrien still alive? If so, what would he look like today? Forensic artist Diana Trepkov creates a series of age-progression sketches to help SKS in their quest to solve the mystery of McNaughton's disappearance.

S1 Episode 4: Hello, Adrien?

27:57 | Mar 21st, 2016

Is Adrien still alive? If so, what would he look like today? Forensic artist Diana Trepkov creates a series of age-progression sketches to help SKS in their quest to solve the mystery of McNaughton's disappearance.

S1 Episode 3: The theories

38:36 | Mar 14th, 2016

SKS host David Ridgen speaks with those involved in the initial search for Adrien McNaughton, and weighs every available theory about the cause of his disappearance — from abduction to bear attack.

S1 Episode 3: The theories

38:36 | Mar 14th, 2016

SKS host David Ridgen speaks with those involved in the initial search for Adrien McNaughton, and weighs every available theory about the cause of his disappearance — from abduction to bear attack.

S1 Episode 2: Mr. Ring

28:22 | Mar 7th, 2016

Another witness was present in the moments leading up to Adrien’s disappearance. SKS host David Ridgen ventures into the backwoods of Eastern Ontario to find him.

S1 Episode 2: Mr. Ring

28:22 | Mar 7th, 2016

Another witness was present in the moments leading up to Adrien’s disappearance. SKS host David Ridgen ventures into the backwoods of Eastern Ontario to find him.

S1 Prologue: 'Do it, David. Do it.'

06:39 | Mar 1st, 2016

David Ridgen considers whether he should create the podcast Someone Knows Something.

S1 Episode 1: The family

23:57 | Mar 1st, 2016

What happened the day five-year-old Adrien McNaughton wandered into the woods and was never seen again? How does a family grieve for someone who may still be alive? And where might he be today? SKS host David Ridgen returns to his hometown to investi...Show More

S1 Prologue: 'Do it, David. Do it.'

06:39 | Mar 1st, 2016

David Ridgen considers whether he should create the podcast Someone Knows Something.