A star defense witness takes the stand. The Zizians' leader in court. And a new scam called pig butchering.

Listen to this week's episode of the Dateline: True Crime Weekly podcast with Andrea Canning. Robert Baker, the former lover of Monica Sementilli and admitted killer of her husband, takes the stand in her defense. An alleged vegan cult known as the Zizians will see their leader face trial in Maryland next week. And updates on Karen Read, the University of Pittsburgh student missing in the Dominican Republic, and Lori Vallow Daybell. Plus, everything you need to know about a new scam called pig butchering. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com. Listen to the full Mommy Doomsday podcast series on Apple: https://podcasts.apple.com/us/podcast/mommy-doomsday/id1540849480 Listen to the full episode of “Lori Vallow Daybell: The Jailhouse Interview” on Apple: https://apple.co/3FjWD4d Listen to the Talking Dateline episode where Keith discusses the interview on Apple: https://podcasts.apple.com/be/podcast/talking-dateline-lori-vallow-daybell-the-jailhouse/id1464919521?i=1000698801101