For Ittai, the clues finally fall into place. Has he identified the thief?

Ittai Gradel long suspected someone was selling ancient gems that once belonged to the British Museum. But he had no idea when they were stolen or by whom.

Now a startling discovery leads him to believe the thefts are recent and that the thief is someone in a position of trust.

Presenter: Katie Razzall
Producers: Darin Graham, Ben Henderson and Larissa Kennelly
Production Coordinator: Gemma Ashman
Mix and sound design : James Beard
Composer: Jenny Plant
Exec-producer: Joe Kent
Investigations Editor: Ed Campbell
Series Editor: Matt Willis
Commissioning Executive: Tracy Williams
Commissioning Editor: Dan Clarke