Introducing: Before & After with Lester Holt

In Massachusetts, a jury is deliberating the fate of Lindsay Clancy, a mother who says she was suffering from postpartum psychosis when she killed her three children. After California fire captain Rebecca Marodi was stabbed to death by her wife, Yolanda, investigators uncovered Y ...  Show more

In part two of this special edition of Talking Dateline, NBC News’ Ellison Barber, host of the Netflix podcast “Allegedly," sits down with Josh Mankiewicz at Caesars Palace in Las Vegas, for CrimeCon 2026. Josh tells Ellison what it’s like interviewing families who have gone thro ...  Show more

A talented television news anchor was shot to death outsider her home; it appeared to be a crime of passion, perpetrated by an obsessed fan. A police dog tracked the scent of the killer through the adjacent woods and back to the crime scene. Could the murderer be one of the onloo ...  Show more

A single mom looking for love vanishes without a trace. Foul play is tragically confirmed when a large pickup truck toolbox opens to her body stuffed inside. Homicide detectives investigate men she matched on dating sites, another man she met at work, and finally, a lover with a ...  Show more

A murder victim’s final moments are caught on tape. The crime scene looks like a clear robbery-murder. Text evidence at first points to a jilted lover, but will his alibi check out? Now police identify a second suspect with a possible motive of deadly revenge. Forensic technology ...  Show more

A talented television news anchor was shot to death outside her home; it appeared to be a crime of passion, perpetrated by an obsessed fan. A police dog tracked the scent of the killer through the adjacent woods and back to the crime scene. Could the murderer be one of the onlook ...  Show more