In Placer County, California, a former MLB pitcher is on trial for allegedly gunning down his in-laws in their home. He says he didn't do it. A new expert testifies at the Karen Read retrial about data pulled from Read's car. He says it nails down the prosecution's timeline of what happened. The defense has a blistering response. Updates on the Menendez brothers and Lori Vallow Daybell. Plus, an attorney talks about witnesses who testify anonymously. 

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

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Dr. Dawn Hughes, who's testified as an expert in R. Kelly's sex trafficking trial and the Johnny Depp and Amber Heard defamation proceedings, took the stand on Wednesday to lay out the psychological reasons a victim might stay in an abusive relationship. She was cross-examined by a new addition to the defense team -- this brings Combs's attorney total to nine. NBC News legal analyst Danny Cevallos joins Andrea and Chloe to talk about what the jury might think looking at Combs's very crowded defense table.

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

For two years, David James ran errands for the head of Bad Boy Entertainment, bought his snacks and packed his prescriptions. And once, he says, he was the driver when Combs went looking for his longtime rival Suge Knight -- with three handguns in his lap. Also on Tuesday, a male stripper whose performs under the name The Punisher testified that during his paid sexual encounters with Combs and Cassie Ventura, he felt like he and Cassie were actors, and Combs was the director. 

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy 

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The former Danity Kane member endured a tough cross-examination but maintained that she witnessed Combs be violent toward his ex-girlfriend on more than one occasion. And Kerry Morgan, who says she and Cassie became best friends when they were both teenage models, says she too witnessed Combs asault Cassie. But when Combs assaulted Kerry, she says, she signed an NDA and broke ties with both of them. 

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The defense goes on the attack, playing an audio tape of Cassie making threats and yelling. They get her to describe what she saw of Sean Combs's drug use and question her about her own, and try to poke holes in her rape allegation. After redirect from the prosecution, Cassie's testimony comes to an end after more than 20 hours on the witness stand. Her lawyer answers questions outside the courthouse. 

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy https://www.nbcnews.com/diddy-on-trial

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The defense showed Combs's ex-girlfriend texts where she appeared to be a willing participant in drug-fueled sex acts. She testified that in the early days of their relationship she wanted to make him happy, but later feared his anger if she said no. Ventura also admitted to jealousy over other women Combs was dating during their 11 years together, but said Combs's jealous rage turned into violence, such as when he found out she was dating musician and actor Kid Cudi. Allegedly he kicked her in the back and later blew up Kid Cudi's car.

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy 

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

The Menendez brothers have been resentenced and are now eligible for parole. Will they go free? A supervisor in the Karen Read case is on the stand for a marathon three days of testimony.  Plus, updates in the cases of Donna Adelson, Lori Vallow Daybell, and Harvey Weinstein.

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

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

On day three of testimony, Combs's ex-girlfriend -- due to give birth in weeks according to her lawyer -- testifies that the record label executive used recordings of sexual performances that he directed her in as leverage to keep her from leaving him. She said she feared her mother seeing them and the ruin of her career. In court the jury watched stills from the videos behind privacy screens.

If you want to read NBC's coverage of the trial, check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy 

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

In emotional and sometimes graphic testimony, Cassie Ventura tells the jury about her relationship with Sean Combs, who she says was abusive, violent and controlling. Chloe Melas describes how Combs -- who has denied all the allegations against him -- reacted in court.

For more NBC coverage of the trial check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Chloe Melas describes the mood inside and outside the Manhattan courthouse on the first day of testimony. The record producer has denied the allegations against him, and in his defense's opening statement claimed the encounters described in the indictment were consensual. A security guard tells the jury what he saw after Combs was caught on tape beating Cassie Ventura in a hotel hallway. Then a man who says he took part in freak offs testifies that he too witnessed alleged violence by Combs toward Cassie. 

For more NBC coverage of the trial check out our newsletter, “Diddy On Trial”: NBCNews.com/Diddy 

 

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.