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

S4 Episode 1: 9-1-1

Someone Knows Something is the investigative true crime series by award-winning documentarian David Ridgen. Each season tackles an unsolved case, uncovering details and bringing closure to families.Find episode transcripts at this page.Previous seasons: S1: Adrien McNaughton. S2: Sheryl Sheppard. S3: Dee &amp; Moore. S4: Greavette. S5: Kerrie Brown. S6: Donald Izzett Jr.. S7: The Abortion Wars. S8: The Angel Carlick Case. S9: The Christine Harron Case.