With her new husband in prison, Shamima Begum is left in the care of a stranger, but who is he? Josh travels to the heart of the former caliphate as he searches for clues and investigates what her life with the Islamic State group was like.

Reporter: Josh Baker
Written by: Josh Baker and Joe Kent
Producers: Josh Baker, Sara Obeidat and Joe Kent
Composer: Firas Abou Fakher
Theme music: Sam Slater
Mix and sound design: Tom Brignell
Production coordinator: Janet Staples
Series Editor: Jonathan Aspinwall
Head of Long Form Audio: Emma Rippon
Commissioning Executive: Dylan Haskins

This episode contains descriptions of violence, sexual violence, and has upsetting content