Josh Mankiewicz reports on the murder of celebrity hairdresser Fabio Sementilli, who was killed in his Woodland Hills home in ...

A 53-year-old woman was convicted of murder and conspiracy Friday for masterminding the murder of her husband — a prominent ...

Dateline Friday, another stunning twist! On April 11, NBC's long-standing true crime show Dateline: "The Widow of Woodland ...

A jury reached a verdict in the trial of Monica Sementilli, who was accused of first-degree murder and conspiracy to commit ...

The 10-man, two-woman jury began deliberations in Monica Sementilli's trial on Wednesday, and by Friday morning, the guilty ...

An unknown visitor arrives at a gated house in the Woodland Hills section of Los Angeles on Tuesday, Jan. 24, 2017, after Fabio Sementilli was found stabbed to death in the backyard. (AP Photo/Ric ...

Dateline NBC's in-depth narratives and live updates about ongoing investigations have kept true-crime viewers enthralled.

Fabio Sementilli was stabbed to death in the backyard of his Woodland Hills home in 2017. The killing initially was thought to be a home invasion gone wrong, but investigators soon zeroed in on ...

Monica Sementilli was convicted of murdering her husband Fabio Sementilli at their posh Woodland Hills, Calif. home for ...