Teen Cowgirl Murdered by her 'Big Brother'?

In February 2025, 18-year-old Mexican influencer Valentina Gilabert was brutally stabbed after being lured to an apartment in Mexico City. Her attacker was Marianne Gonzaga, an 17-year-old TikTok star who had previously dated the man Valentina was seeing. What began as a night of ...  Show more

When Anne starts receiving messages from someone claiming to be Brad Pitt, what begins as an unlikely online romance slowly turns into something much darker.With AI-generated images, fake documents and an entire network of people backing up the lie, Anne is drawn into an elaborat ...  Show more

When Britney Ujlaky disappears, a small Nevada town bands together to track down a potential unknown suspect. Soon, their focus turns to someone closer to the teen. Josh Mankiewicz reports.

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

A 13-year-old teen disappears and her body is soon found in nearby woods. An interaction at a yogurt shop would set police on the path to finding her killer.

View source material and photos for this episode at: a ...

When a 15-year-old girl vanishes on her way home from a friend’s quinceañera rehearsal in 1998, a California community holds its breath and hopes it’s a one-off. But when other young women in the community are targeted one by one, investigators have to ask if there’s a serial ...