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.

As a bonus for you, we’re sharing the trailer for season 3 of Dateline: Missing in America. The chart-topping podcast series is back with a brand-new season and brand-new cases.      Are you the key to solving a mystery? Correspondent Josh Mankiewicz reports on perplexing missing person cases brought to Dateline’s attention by our social media followers. Each episode focuses on one person’s story, as told by those left behind. Listen carefully to the details, descriptions and clues offered by...

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.