Life in prison: Alan Rusbridger talks to Dr Sohom Das

Former Guardian editor Alan Rusbridger meets Dr Sohom Das, a consultant forensic psychiatrist. His job is to assess, treat and rehabilitate mentally ill offenders. Dr Sohom discusses the effect that a life behind bars has upon the mind, tells Alan about the times when he has made a difference, and talks about the challenges of treating mentally ill offenders inside jail.Producer: Camellia Sinclair