"Dateline" is airing a special episode about Patricia Leigh Mills. Here's everything you need to know to watch, live or later on, if you missed it.

Dateline NBC’s The Trouble with Sarah examines the murder of Joseph Hartsfield, the insulin overdose evidence, and how ...

Dateline's Andrea Canning joins TODAY with a preview of their latest episode, “Secrets in the Ashes,” which unravels the ...

The suspicious death of Sarah Hartsfield’s fifth husband leads investigators to a past filled with failed romances and wild ...

Firefighters make a grisly discovery while responding to a fire at the house of Carmela and David Knight in a Toronto suburb.

Dateline's Keith Morrison joins TODAY with a preview of their latest episode, “The Trouble With Sarah,” which unravels the ...

When a nurse is gunned down in her home, detectives initially believe they have a clear suspect, but new information leads them down a completely different path. Josh Mankiewicz reports Saturday, ...