In today's digital world, it's easier than ever to invade someone's life and far harder to escape.

Anyone, determined enough to do harm, can find a way to do harm.

I'm Carol Cadwalader, an investigative journalist.

In this podcast, I followed a story of Hannah, whose life was turned upside down by an anonymous stalker.

I no longer know who I can trust.

What began as one woman's nightmare became a chilling investigation into deception, control and the faceless power of the internet.

Stalked. Listen on BBC Sounds.

BBC Sounds, music, radio, podcasts.

This is Drama of the Week.

Well, by Manon Stefan Ross.

Read by Kerserina James.

You are doing amazingly.

I am so proud of you, of what you achieve every day.

Now remember to keep the light within you, always,

and oh that you always have the ability to shine.

You are precious.

You are important.

You are loved.

She listens to me every afternoon on the bus home from work,

ear buds softly blocking out the unbearable silence of strangers determined not to speak to one another.

She sits in her work clothes, coat, tied tightly around her waist, like small, clasping, hugging arms.

You've done really well today. I am so proud of you. She listens to me. Really listens. I am a hangover from a New Year's resolution,

...