As Abraham makes a decision about whether to stand and give evidence, journalist Sam Holder examines how the court process works for those who feel threatened. Where could Abraham have turned to for support? What makes someone a vulnerable witness - and what can be done to keep them safe?

And are there wider concerns about how the justice system operates?

Presenter and Original Research: Sam Holder
Series Producer and sound design: Anishka Sharma
Story Consultant: Robert Awosusi
Additional Research: Christy Callaway-Gale

Theme music written and performed by Rebekah Reid and Tapp Collective.
Original music compositions by Femi Oriogun-Williams

A Whistledown production for BBC Radio 4.