From the archive: How did one of the worst paedophiles in history get away with his crimes?

We are raiding the Audio Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2016: For more than 40 years, William James Vahey drugged and abused hundreds of pupils at international schools around the world. A Guardian investigation reveals that, despite numerous opportunities to stop him, nothing was done. By Robert Booth. Help support our independent journalism at <a href="https://www.theguardian.com/longreadpod">theguardian.com/longreadpod</a>