Prosecutors at the Norfolk County Superior Court in Massachusetts share new details in the murder case against disgraced art salesman Brian Walshe, just two months after they finished one of the biggest trials of the year -- Karen Read. And Michael Proctor, the lead investigator in both cases comes under fire from the defense. Five years after an Arizona man was accused of robbing a young woman named Mercedes Vega, he is charged with her murder. Updates in the Karen Read and Sean "Diddy" Combs cases, plus jailhouse phone calls from convicted killer Brooks Houck. And how crime scene technicians can make or break an investigation. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com Listen to the NBC Boston podcast ""The Searches for Ana Walshe"" here: https://www.nbcboston.com/news/local/brian-walshe-murder-case-podcast-searches-for-ana-walshe-new-episodes-out-now-where-to-stream/3785005/ To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

Dennis Murphy and Andrea Canning sit down to talk about Andrea’s episode “The Intruder,” about a violent 2014 home invasion in Saco, Maine, that left Rachel Owens fighting for her life. Rachel survived but was left to deal with another devastating blow — her husband, Greg Owens, was behind the attack. Andrea, Dennis, and producer Brad Davis, discuss Greg’s secret double life, and the two women at the heart of the story: Rachel and Betsy Wandke. They also share a behind-the-scenes clip from Andrea’s interview with Betsy, who used to run a self-defense group, and share updates on where both women are today. Plus, they answer your questions from social media. Have a question for Talking Dateline? DM us a video @DatelineNBC or leave a voicemail at (212) 413-5252 — your question might be featured in an upcoming episode. To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event Listen to the full episode "The Intruder" on Apple: https://apple.co/3UaUHiV Listen on Spotify: https://open.spotify.com/episode/4bkX7587uXGXVgxgFuKdcf?si=a272b4cd83f243db

When a violent home invasion rocks a small town in Maine, local police and the FBI launch a complex investigation that spans three states. Andrea Canning reports. Originally aired on NBC on June 2, 2017.

James Craig was accused of poisoning his wife Angela, and then trying to orchestrate a cover up from behind bars. A 16-year-old's death after a house party has created a sprawling -- and slow-moving -- legal case. Seven people were charged, some of whom police have reason to believe are part of a group called the Gilbert Goons. And the latest on recent interactions between the convicted sex trafficker -- who was Jeffrey Epstein's accomplice -- and the Department of Justice. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Blayne Alexander and Dennis Murphy sit down to discuss Dennis’s episode “Out There in the Dark.” After Brandy Daniels was found gunned down inside her car in the driveway of her home in Zanesville, Ohio, investigators quickly zeroed in on a pair of suspects. But it would take years to bring them to justice for the murder. Blayne and Dennis discuss what led one of the suspects to crack, and play an extra clip from Dennis’s interview with the girlfriend of the other suspect. Plus, they answer questions from social media and talk about burner phones, exotic animals, Harry Potter, and Dennis’s parka. 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 on Apple: https://apple.co/3IUrKp4 Listen on Spotify: https://open.spotify.com/episode/5LKZaFbLq3WHjVeju5AyeY?si=635a3dc88f364934

In this Dateline classic, Dennis Murphy reports on the mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states. Originally aired on NBC on January 26, 2018. Blayne Alexander and Dennis Murphy go behind the scenes of the making of this episode in ‘Talking Dateline’. Listen on Apple: https://apple.co/4l6F1Ih Listen on Spotify: https://open.spotify.com/episode/2Svreax3RP7GEgmwDedO3x?si=5958241088de4def

In Idaho, families of the University of Idaho students murdered in their beds confront their killer Bryan Kohberger with words of anger and defiance, paying tribute to their loved ones. In Colorado, Dr. James Craig's girlfriend takes the stand against him as his trial on charges of fatally poisoning his wife enters its second week. And in Wisconsin, an unusual traffic stop cracks open a 30 year old double murder case. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Josh Mankiewicz and Keith Morrison sit down to discuss Keith’s episode “Secrets of the Sliding Door.” When beloved Staten Island teacher Simeonette “Sissy” Mapes-Crupi was found murdered in her home, investigators never imagined an escort by the name of Ms. Pumpkin would help lead them to her killer. Josh and Keith discuss the different theories of the crime and play an extra clip from interviews with Simeonette’s friends and family. Plus, they talk phony-sounding 911 calls, answer a listener question about detecting lies during interviews, and take a deep dive into Keith’s sneaker collection. 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 “Secrets of the Sliding Door” here: https://apple.co/4mcISoq Listen to Josh’s episode “The Evil to Come” referenced during the 911 call discussion: https://apple.co/44Hxv1M Listen to Keith’s episode “The Mystery in Rock Hill” also referenced during the 911 call discussion: https://apple.co/4o3G8va

After a beloved teacher is found murdered in her home on New York’s Staten Island, investigators uncover cracks in her seemingly idyllic life and unearth her killer. Keith Morrison reports. Josh Mankiewicz and Keith Morrison go behind the scenes of the making of this episode in ‘Talking Dateline’. Listen on Apple: https://apple.co/455MeDX Listen on Spotify: https://open.spotify.com/episode/7nuJBrjhxdQUw1gbGYzmsJ?si=aab1d241633d4437

In Colorado, security video takes center stage at the murder trial of dentist James Craig. In the D.C. suburbs, a dramatic pre-trial hearing in the case of Brendan Banfield, accused of plotting to kill his wife and a stranger with the help of the family au pair. And verdicts for both former MLB player Dan Serafini and Iowa farmer's widow Karina Cooper. Plus, a former secret service agent on a scam involving fake cops. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com