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S1 Episode 7: First Attempt

34:01

Episode description

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.

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Introducing Uncover: The Cat Lady Case

July 9th, 2019

33:37

In 1998, 77-year-old Joan Lawrence vanished without a trace. All police could find were her 30 cats, shot dead. The case remains unsolved, but new …

Introducing Uncover: The Village

April 2nd, 2019

41:02

Two waves of murders, 40 years apart. Who's killing men in Toronto's gay community and why are they getting away with it? Subscribe now at cbc.ca/uncover.

S5 Update: "I was here all night"

March 6th, 2019

48:57

David follows up on tips, rumours and accusations surrounding the Kerrie Brown case, and tracks down more potential suspects.

Introducing: Bomb on Board

November 21st, 2018

38:48

A plane blown from the sky, 52 victims, four suspects - one investigation. Season 2 of Uncover investigates one of the largest unsolved mass murders …

S5 Episode 10 Part 2: Sumner

November 19th, 2018

27:23

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

S5 Episode 10 Part 1: Sumner

November 19th, 2018

55:55

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

November 12th, 2018

1:05:38

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

S5 Episode 8: Other Brother

November 5th, 2018

55:52

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

S5 Episode 7: Luella

November 5th, 2018

48:10

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

October 29th, 2018

54:21

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

October 29th, 2018

31:35

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: Rolly

October 29th, 2018

37:21

The investigation leads to the owner of an auto body shop, 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

October 22nd, 2018

1:04:20

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

October 22nd, 2018

54:17

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

October 16th, 2018

1:11:11

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 …

S5 Episode 1: Ravens

October 16th, 2018

1:03:14

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 …

S5 Kerrie Brown - Preview

October 5th, 2018

3:09

In SKS Season 5: Kerrie Brown, David Ridgen travels north to Thompson, Manitoba to investigate the brutal unsolved murder of 15-year-old Kerrie Brown.

Introducing: Escaping NXIVM

September 12th, 2018

36:12

NXIVM calls itself a humanitarian community. Experts call it a cult. Uncover - the new investigative series from CBC Podcasts - looks into the group, …

S1 - S5 Updates

July 3rd, 2018

9:26

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

S1 Update: Final Response

March 29th, 2018

18:10

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 …

Introducing: Finding Cleo

March 8th, 2018

35:33

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 …

S4 Episode 5: Jr.

March 5th, 2018

1:02:19

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.

S4 Episode 4: D & L

February 26th, 2018

40:10

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 3: The Deer

February 19th, 2018

42:13

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 …

S4 Episode 2: Death Letter

February 12th, 2018

45:34

David meets the police officers involved in the Greavette case to learn about their investigation and find out what the evidence reveals about who …

S4 Episode 1: 9-1-1

February 5th, 2018

50:14

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 …

S4 Greavette - Preview

January 29th, 2018

1:37

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

January 22nd, 2018

45:43

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 …

S3 Episode 6: Reckoning

November 6th, 2017

50:22

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 …

S3 Episode 5: The Bridge

November 6th, 2017

49:22

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

S3 Episode 4: Bunkley

November 6th, 2017

47:44

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 3: The Hornet’s Nest

November 6th, 2017

42:32

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 …

S3 Episode 2: The Klansman

November 6th, 2017

1:01:39

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. …

S3 Episode 1: The Wrong Body

November 6th, 2017

1:11:23

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 …

S3 Dee & Moore - Preview

October 24th, 2017

1:21

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

S1 & S2 Update and what's next

September 18th, 2017

16:46

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

February 13th, 2017

1:21:01

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 …

S2 Episode 11: Blackmail

February 6th, 2017

1:13:06

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

January 30th, 2017

1:01:24

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

January 23rd, 2017

50:24

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 …

S2 Episode 8: Gwen

January 16th, 2017

39:51

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

January 9th, 2017

37:55

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 …

S2 Episode 6: Stepbrother

January 2nd, 2017

32:19

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

S2 Episode 5: Girlfriend

December 19th, 2016

43:55

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 …

S2 Episode 4: Intimation

December 12th, 2016

46:45

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 …

S1 Update

December 7th, 2016

9:23

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

S2 Episode 3: Blondie

December 5th, 2016

1:17:00

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 …

S2 Episode 2: The Hammer

November 28th, 2016

44:26

Hamilton police discover Sheryl Sheppard’s fiancé, Michael Lavoie, parked in a storage locker overcome by exhaust fumes. SKS host David Ridgen talks …

S2 Episode 1: The Trailer Park

November 21st, 2016

43:30

When Odette Fisher returned from holidays in New Brunswick, she expected her daughter, Sheryl Sheppard, to pick her up at the train station. Sheryl …

SKS Season 2 Preview

November 14th, 2016

2:27

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

S1 Episode 11: Terminus

May 12th, 2016

36:43

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 …

S1 Episode 10: The Abyss

May 2nd, 2016

43:40

Five scuba divers conduct a search of Holmes Lake.

S1 Episode 9: What we know

April 24th, 2016

12:56

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 …

S1 Episode 8: Clyde Forks

April 17th, 2016

38:35

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 …

S1 Episode 6: The scent

April 3rd, 2016

31:53

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

S1 Episode 5: Breeze & Grief

March 27th, 2016

27:52

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?

March 21st, 2016

28:06

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 …

S1 Episode 3: The theories

March 14th, 2016

38:50

SKS host David Ridgen speaks with those involved in the initial search for Adrien McNaughton, and weighs every available theory about the cause of …

S1 Episode 2: Mr. Ring

March 7th, 2016

28:28

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 1: The family

March 1st, 2016

24:04

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 …

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

March 1st, 2016

6:39

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

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