2: Manhunt

Police begin to prise open the secret sex lives of men across the country.

• 23 mins

3: The Cafe

Disturbing night-time activity in a Glasgow cafe becomes a focus for the police.

• 37 mins

4: The Woods

The isolated forest where Emma's body is found offers clues.

• 23 mins

5: Clear My Name

A suspect comes forward asking for help, but can he be trusted?

• 13 mins

6: Secrets and Lies

The conflicting stories and evidence that point towards a man with a past.

• 37 mins

7: I Accuse

Is this man Emma's killer? Sam confronts a prime suspect with her evidence.

• 19 mins

8: This Is Not The End

The sexual violence reported, the promises made and the women who wait for justice.

• 30 mins

9: The Cable

A dramatic twist in the hunt for the killer. Those at the heart of the case come forward.

• 35 mins

10: Let Him Go

A decision with the most devastating consequences is made in the hunt for Emma's killer.

• 33 mins

11. Collateral Damage

More victims contact Sam Poling. What they say changes the course of her investigation.

• 27 mins

12: The Trial

The man accused of killing Emma goes on trial where he chooses to take the stand.

• 40 mins

13: Nineteen Years

After a nineteen-year wait for justice, we now know who killed Emma. But at what cost?

• 25 mins