Post Mortem | The Monica Sementilli Affair

In the season premiere of “48 Hours Post Mortem”, correspondents Anne-Marie Green and Peter Van Sant discuss the brilliant undercover operation that used chewing gum to catch a killer in two cold cases. They reveal how Detective Susan Logothetti and her colleagues developed the r ...  Show more

How a clever detective caught a killer with a stick of gum. Peter Van Sant reports. 

Celebrity hairdresser Fabio Sementilli is brutally murdered in his backyard. A security camera helps investigators identify unlikely suspects and an illicit affair. Josh Mankiewicz reports.

Blayne Alexander and Josh Mankiewicz go behind the scenes of the making of this e ...

In a Los Angeles courtroom, prosecutors play police interviews with a woman accused of conspiring to kill her celebrity hairstylist husband. NBC News investigative reporter Rich Schapiro shares his reporting on a Bay Area-based group that investigators believe may be tied to d ...

Listen to this week's episode of the Dateline: True Crime Weekly podcast with Andrea Canning. In Tennessee, a jury worked over the long weekend and arrived at a verdict in the murder trial of Jason Chen. Eight years ago, in an upscale neighborhood in Los Angeles, celebrity hai ...

Josh Mankiewicz and Blayne Alexander sit down to talk about Josh’s episode "The Widow of Woodland Hills.” In 2017, celebrity hairstylist Fabio Sementilli was stabbed to death in what appeared to be a home robbery. Blood left inside the victim’s beloved Porsche led detectives t ...