2 – “The Girls”

The Granny Task Force conducts simultaneous early-morning raids at the homes of Helen and Olga.

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Detectives leave Helen and Olga alone together in a room wired for sound. Old resentments boil over.

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A young woman finds refuge in her boyfriend's house while he serves time in prison. But one of her new housemates - her boyfriend's brother - turns out to be anything but protective. Detective Bre must build trust with a distraught victim and help her build a case against a terri ...  Show more

When a young woman is found dead in a field on the outskirts of Green Bay, Wis., a fitness tracker helps detectives solve the mystery. Andrea Canning reports.

Andrea Canning and Dennis Murphy go behind the scenes of the making of this episode in ‘Talking Dateline ...

A young Ohio woman vanishes one summer night, prompting her community to conduct a massive search. When she’s found dead, investigators work to uncover her killer. Andrea Canning reports.

Andrea Canning and Josh Mankiewicz go behind the scenes of the making of this episo ...

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 ...