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.com

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

A once-in-a-lifetime trip to Miami with a charming friend turns into a nightmare for Hannah. Back in London, weird things start happening. Someone claims to be taking control of her online reputation.

stalked@bbc.co.uk

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, Rob Byrne and Georgia Catt Actor: Zak Shukor Series editor: Philip Sellars Commissioner: Dylan Haskins Stalked is a BBC Studios Audio production for BBC Sounds and Radio 5live

Episodes released weekly

At 25, an anonymous digital intruder is ruining Hannah’s life. To start to make sense of it all, she goes back to London Fashion Week. And a selfie.

Episodes released weekly.

Contact: stalked@bbc.co.uk

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. Original footage from:BBC, Channel 4, NBC, Sky News, Fox News, CNN, MSNBC Series editor: Philip Sellars Commissioner: Dylan Haskins Stalked is a BBC Studios Audio production for BBC Sounds and Radio 5live

There’s an anonymous digital intruder in Hannah’s life. She’s being watched. Threatened. Impersonated. The police can’t help Hannah, so her “ex-step mum,” investigative journalist Carole Cadwalladr, is going to try.

Archive Credit: MSNBC.