Policy forum: The role of drug testing in the criminal justice system

Despite a considerable increase in drug testing within the criminal justice system (CJS) through schemes such as the drug interventions programme, research is equivocal about its added value, as a recent series of reports from the UK Drug Policy Commission highlighted. The role of drug testing needs to be clarified and its cost‐effectiveness confirmed through studies with comparative regimes. Any further expansion of drug testing within the CJS should be undertaken with caution.