3. Case Closed

When the digital intruder starts impersonating Hannah, she goes to the police. Meanwhile, new anonymous email accounts start contacting her with sexually explicit, abusive content.

stalked@bbc.co.uk

Episodes released Tuesday.

Hosts: Carole Cadwalladr and Hannah Mossman Moore. Producers: Georgia Catt and Rob Byrne Original music and vocals by Self Esteem Original music: Phil Channell Sound design by Phil Channel, Georgia Catt and Rob Byrne Actor: Zak Shukor Series editor: Philip Sellars Commissioner: Dylan Haskins

Original footage from: Giorgio Armani Tennis Classic/Facebook Stalked is a BBC Studios Audio production for BBC Sounds and Radio 5live