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. 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