Dateline: True Crime Weekly

New evidence in the retrial of the woman accused of killing her police officer boyfriend. In Ohio, an accused arsonist is arrested for murder. And pre-trial news for Sean Combs and Bryan Kohberger.

Opening statements in the second trial of the woman accused of running over her police officer boyfriend. And news in the cases of Scott Peterson and Harvey Weinstein.

The jury at Lori's trial on conspiracy to murder charges hears her phone calls with an insurance agent. A jury is seated for the Karen Read retrial. Plus, updates on the case against Rex Heuermann.

After nearly 40 days of testimony, the Monica Sementilli case goes to the jury. At her latest trial, Lori Vallow Daybell is acting as her own attorney. Plus, updates on Karen Read's retrial and Sean Combs' latest charges.

The prosecution's case in the retrial of a woman accused of setting her husband on fire. In Hawaii, a doctor allegedly tried to push his wife off a cliff. And Lori Vallow Daybell is representing herself.

A decision in North Dakota and a retrial gets underway for a Michigan woman accused of setting her husband on fire and running him over with her van. Plus, the star of Happy Face on playing a serial killer.

Monica Sementilli's former lover takes the stand for the defense in her murder trial. The leader of an alleged vegan cult known as the Zizians will be in court next week. Plus, a new scam known as pig butchering.

Unsealed court filings reveal chilling messages sent between the roommates of the murdered Idaho students. And an upstate New York family is asking why the arrest of their daughter's suspected killer took so long.

A star witness takes the stand in Monica Sementilli's trial. A closer look at the defense strategy of murder defendant Dana Chandler. And how to avoid getting scammed when you book your next vacation.

An officer goes undercover with an alleged killer in the Hollywood hair stylist case. A woman's third murder trial in three decades is underway -- and she's representing herself. Plus, the latest on a new texting scam.

Prosecutors accuse a dentist of plotting a murder-for-hire scheme from behind bars. A man on trial for murdering his wife's ex-lover tells the jury his marriage was solid. And Keith gives a preview of his podcast series, "Murder in the Moonlight".

The brother of a Florida man accused of murder comes under suspicion. After a young woman's death, her parents press officials to take a second look. And jurors who question witnesses.

A deadly shootout near the Canadian border puts some young vegans on federal investigators' radar. And JonBenét Ramsey's father talks to the new Boulder police chief.

Natalie Cochran's kids take the stand. A Hawaii man accused of murdering his wife's lover stands trial -- again. And defense attorneys in the Idaho student murders case go on the attack.

A dramatic end to the trial of the man accused of killing Jasmine Pace. Prosecutors say a Los Angeles woman conspired to kill her celebrity hair stylist husband. Plus, the latest on the Tupac murder case.

A Tennessee man admits to killing his girlfriend but says he was provoked. In West Virginia, opening statements in a case that mixes a Ponzi scheme with a murder. Plus, the art of investigating cold cases.

Did a Tennessee mom's search imperil the trial of her daughter's accused killer? A mother and son are sentenced for their roles in the Pike County massacre. And how to handle a jury summons.

NBC News's Chloe Melas and Laura Jarrett on Combs's civil suits and criminal trial, and Dateline producer Shane Bishop on the legal proceedings in the Idaho college students murder.

Keith, Josh and Dennis join Andrea to talk about covering crime in 2024 and some Dateline fun facts. Which correspondent was first to join the show?

After an Ole Miss student disappeared in 2022, his secret lover was charged with his murder. He says he didn't do it and last week a jury weighed in. Plus, a sentencing in Minnesota and a long-awaited verdict in San Francisco.

The alleged shooter of healthcare exec is in custody. At her sentencing, a Georgia grandmother convicted of murder points the finger at her own son. And Josh Mankiewicz stops by to talk about his latest podcast, "Deadly Mirage."

The fate of the accused killer of a Cash App co-founder is now in a jury's hands. And in suburban New Jersey, an innovative method to analyze DNA is being challenged in court, with ramifications for the whole state.

A courtroom re-enactment of tech exec Bob Lee's stabbing death in San Francisco, while in Colorado dentist James Craig is accused of putting potassium cyanide in his wife's protein shakes.

A double murder trial in a small town in Indiana ends a seven-year saga. And 20 years later, Keith Morrison remembers a story he's covered from the start.

Details emerge in the grisly Kentucky murder of Amber Spradlin. After pleading guilty, Young Thug is released from custody. And a former secret service agent on how to detect deception.

A jury sees video of accused killer Richard Allen's interrogation. In San Antonio, a second man is arrested in connection to the case of a missing realtor. And the latest on the Menendez brothers saga.

Details of the investigation into the Delphi Murders trickle out in court. And in the trial of the man accused of killing a tech executive, the defendant's sister undercuts his theory -- and the prosecution's.

Two long-awaited trials begin. One the double murder of two teenage girls and the other the stabbing death of a tech mogul. And the latest legal troubles for Sean “Diddy” Combs.

After a Massachusetts State Trooper's "regrettable" text messages were revealed on the stand in one trial, other cases he worked on come under scrutiny. And a West Virgina scam ends in a murder charge.

Trial is set to start for the woman accused of zipping her boyfriend into a rolling suitcase, suffocating him to death. And newly revealed evidence against a man whose wife has been missing since July.

Donna Adelson's trial is derailed. In San Francisco, the trial for the man accused of killing the co-founder of Cash App is just around the corner. And how to avoid becoming one of the millions who fall victim to fraud.

The music legend once known as Puff Daddy was arraigned in open court this week. NBC News correspondent Chloe Melas was there. And did a man kill his wife and a stranger so he could be with their au pair?

Arguments over evidence in the run-up to a poison specialist's murder trial. A reckoning for the longtime girlfriend of a convicted killer. And tips from a Today show correspondent on dorm room dangers.

A bombshell arrest in the Sandra Birchmore case. In Florida, will a woman's daughter take the stand in her defense? And how medical examiners can reach different conclusions in the same cases.

Kouri Richins fails to get her case tossed out. Will the University of Idaho student murders trial move from a college town to the big city? And how to talk to your child about sexting.

An American woman disappears in Madrid, and the prime suspect tries to get out on bond. In Las Vegas, Robert Telles takes the stand. And a docuseries about Dr. Henry Lee.

A father and a son are among those arrested in a stabbing death at an after hours party. What it takes to clear a rape kit backlog. And why so many poisonings lately?

Keith Morrison on the trial of a woman who killed her bronze medalist husband. The Blade Runner, who gunned down his girlfriend, is out on parole. And a self-defense expert with advice for joggers.

Ashley Benefield is convicted of manslaughter. Could San Diego police have done more to prevent a murder? And after a third high-profile hung jury in two months, we ask a jury expert what's going on.

Openings in a Florida murder trial. In Massachusetts, protestors take to the streets again -- this time for Sandra Birchmore. And a criminal defense attorney with some tips.

A Florida woman some are calling the Black Swan claims self-defense. In Atlanta, the judge presiding over Young Thug's trial has been replaced. Plus, what to consider before you get in a stranger's car.

After several jaw-dropping moments in court last week, the judge threw out the charge against him. NBC News' Chloe Melas breaks down the final hours of his trial.

The actor could face prison time if convicted on an involuntary manslaughter charge. A man explains why he lied to police in the Woll case. And Josh Mankiewicz wants to talk about the missing in America.

The murder trial in a Boston suburb may have ended in a hung jury, but news keeps breaking around the case. Jury selection in the actor's New Mexico trial is next week. Plus, how to stay safe on the road.

Dateline producer Sue Simpson reports from Dedham, Mass. where jurors in the trial of a woman accused of killing her police officer boyfriend couldn't reach a verdict.

Hundreds are on verdict watch in Dedham, Mass., while in Arizona parents are demanding answers after a 16-year-old was beaten to death. And in Michigan, an ex-boyfriend calls 911 on himself.

Outside Boston, the lead investigator might be an asset for the defense. In Michigan, no physical evidence of actual murder? No problem. And in Ohio, a 13-year investigation ends in seconds.

Dateline producer Mario Garcia reports from a Long Island courtroom just after prosecutors charged the alleged serial killer with the murders of Sandra Costilla in 1993 and Jessica Taylor in 2003.

An alleged serial killer is facing more charges. A TikTok star charged with murder finds out if his performance on the stand was convincing. And an avowed Nazi kills a classmate. The only question is why.

Peterson’s defense team asks for new DNA testing. The woman accused of ordering a hit on her ex-husband wants out of jail. And a state trooper who staged his wife’s suicide gets the book thrown at him.

An intense cross-examination in a Boston area courtroom. Utah grief author facing murder charges sends Dateline jailhouse recordings. And a legal logjam in the Idaho student murders case.

The actor's defense team argues to dismiss while Lori Vallow's husband stands trial and the state presents its case against the Boston woman accused of running over her police officer boyfriend.

Every Thursday Andrea Canning and her guests dive into the biggest crime stories around the country. Stay up to date and go behind the scenes as she talks to local reporters, experts and her fellow correspondents.