Listen to this week's episode of the Dateline: True Crime Weekly podcast with Andrea Canning. In Massachusetts, Karen Read's retrial continues with new evidence and an emotional witness. In Ohio, an arson plot involving a latex mask and a wig points investigators to a decades-old murder. Plus, the latest pre-trial rulings for Sean Combs and Bryan Kohberger. And a sheriff on keeping courtrooms safe.

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Listen to Andrea's reporting on the Nevaeh Kingbird case here: https://www.nbcnews.com/dateline/dateline-missing-in-america-podcast/dateline-missing-america-podcast-covers-october-2021-disappearance-nev-rcna86829

Blayne Alexander joins Andrea Canning to talk about her latest episode, “The Devil’s in the Details.” After the mysterious death of a young dad in West Virginia, his friends and family are left looking for answers until investigators uncover a twisted trail of betrayal. Andrea tells Blayne what she’s learned about poison as a murder weapon, and they discuss the ripple effect of the killer’s crimes. Later, Andrea shares a podcast-exclusive clip from her interview with the victim’s best friend. Then, she and Blayne answer your questions from social media.

If you have a question for Talking Dateline, send us an audio message on social @datelinenbc or leave us a voicemail at 212-413-5252.

Listen to the full episode of “The Devil’s in the Details” on Apple: https://apple.co/4lUaVcO

Listen to the full episode on Spotify: https://open.spotify.com/episode/5dA3Q17ZHLtneNIKICckNb

A West Virginia pharmacist is left widowed after her husband suddenly dies, and troubling details emerge regarding the couple’s business venture. Andrea Canning reports.