The Dateline Correspondents' Year in Review. And true crime goes viral.

A "no body" murder trial in Mississippi. A Wisconsin dad fakes his death. Plus, keeping your home safe during the holidays.

Arrest in UnitedHealthcare CEO murder. Drama at a Georgia sentencing. And Josh Mankiewicz on "Deadly Mirage."

Dramatic closings in the tech exec trial. Debate over DNA analysis in a quadruple homicide. And Dennis Murphy on Amanda Knox.

Tech mogul's alleged killer takes the stand. Dentist's murder trial set to begin. Plus safety tips for holiday travel.

Verdicts in both the Delphi murders trial and the case of a murdered Minnesota mom. Plus 20 years on, Keith Morrison talks about Scott Peterson.

Details emerge in a grisly Kentucky murder. Young Thug is free. And how to detect deception.

A police interrogation in Delphi. A missing Texas mom. And what's next for the Menendez brothers.

Graphic evidence in Indiana. Explosive testimony in San Francisco. And how to stay safe trick or treating.

A double homicide in Indiana. A high-profile trial in San Francisco. And Sean “Diddy” Combs faces news accusers.

Fallout from the Karen Read trial. A pharmacist's elaborate Ponzi scheme. And for Domestic Violence Awareness Month: how to help.

A woman goes on trial for murder by suitcase. A man charged with concealing his wife's body. And a conversation about carjackers.

A mother-in-law's trial thrown into chaos. A pillar of Silicon Valley stabbed. And how to not get scammed.

Sean Combs arrested and held. A husband charged with a double murder. And innocent men in a maximum security prison.

A Mayo Clinic doctor accused of poisoning his wife. The latest in a 15 year investigation. And how to stay safe on campus.

A mom who says her 7-year-old pulled the trigger. And a medical examiner who speaks for the dead.

A children's book author will stand trial for murder. Bryan Kohberger will too, but where?

An international kidnapping case. A bureaucrat on trial for killing a reporter. And the godfather of forensic science under fire.

A murder mystery in Kentucky. A prosecutor on a mission. And a murder weapon on the rise.

Olympians at the heart of murder trials. And if you're inspired by the Summer Games, running safety tips.