A new scheme has given heroin to the worst addicts to stop them committing crimes. The scheme is based in Middlesbrough, which has the highest rate of drug-related deaths in Britain, and spends more than £11,000 on diamorphine to give to 11 of the district’s most entrenched addicts. None of the 11 addicts who injected themselves with diamorphine under supervision for the project had re-offended...