Someone Knows Somethingwith David Ridgen


Season 2: Sheryl Sheppard

What happened to Sheryl Sheppard? Documentarian David Ridgen investigates a missing person's case from Hamilton, Ontario.

Who's who in Season 2 of Someone Knows Something

Sheryl Sheppard's missing person's case has gone on for nearly two decades and involved a lot of people.

Episode 1: The Trailer Park

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.

Episode 2: The Hammer

Hamilton police discover Sheryl Sheppard’s fiancé, Michael Lavoie, parked in a storage locker overcome by exhaust fumes. As the missing person case turns into a homicide investigation, detectives try to piece together what happened the weekend Sheryl disappeared.

Episode 3: Blondie

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 her sudden disappearance.

Episode 4: Intimation

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.

Episode 5: Girlfriend

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: Stepbrother

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

Episode 7: Ghost

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.

Episode 8: Gwen

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.

Episode 9: The Appearance of Force

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.

Episode 10: Mom

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

Episode 11: Blackmail

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.

Episode 12: Lavoie

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.

Season 1: Adrien McNaughton

In 1972, five-year-old Adrien McNaughton vanished while on a family fishing trip in Eastern Ontario. Despite an intensive search and investigation, no sign of Adrien was found, no clue as to where he might be.

Season 3: Dee & Moore

In 1964, the remains of Charles Moore and Henry Dee were found in the Mississippi River. But no one was convicted. 40 years later, Charles's brother Thomas returns to Mississippi with David Ridgen to reopen the case and confront the Klan.

The Property

See photos of the Greavettes' family home and surrounding property.

The Crime Scene

See photos from December 12, 1996, the day Wayne Greavette was murdered.

SKS Timeline

A timeline of key dates and events in the missing person case of Adrien McNaughton. As the show progresses, and new evidence and information is revealed, this timeline will be updated to help provide an overview of the case.

What we learned in season one of Someone Knows Something

David Ridgen reflects on the Adrien McNaughton case

Listen to Season 4: Greavette

Wayne Greavette was killed by a bomb mailed to his home. In Season 4 of Someone Knows Something, Greavette’s wife, son and daughter join host David Ridgen to find out who might have sent it, and why.

The Typewriter

Learn more about the typewriter and daisy wheel that was used to compose the letter.

The Package

Learn about the fatal package that was sent to Wayne Greavette.

The Sketches

View the police sketches of the two men that were seen at the post office asking for Wayne Greavette's address.

The Flashlight

Learn about the flashlight that was used to kill Wayne Greavette.