Keeping drugs out of prisons seems like an impossible task. Tanya Beckett asks four experts if it can be done and how prisoners can be helped to overcome their addictions.

Contributors: Stuart J. Cole, drug and alcohol worker, author “Two Years” Martin Horn, former Secretary of Corrections, Pennsylvania Heidi Bottolfs, Department Director, Norwegian Correctional Service Dr Ximene Rego, Researcher, School of Law, University of Minho, Portugal

Presenter: Tanya Beckett Researcher: Chris Blake Producer: Sheila Cook

(Image: Drug dealer and an addict exchanging drugs and money at the jail: Getty/Manuel-F-O)