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. For transcripts of this series, please visit: https://www.cbc.ca/radio/sks/season2/someone-knows-something-season-2-sheryl-sheppard-transcript-listen-1.3846237