6 september 2013
Paul Lewis reports on allegations that members of a clandestine Metropolitan unit employed ethically dubious tactics, including inappropriate sexual relationships and deceit, to spy on people – claims apparently substantiated by the personal testimony of a whistleblower who operated undercover for four years. The programme investigates the actions of those tasked with infiltrating political campaigns and protest groups, and speaks to the women who say they were duped into intimate relationships with men they didn’t know were serving police officers.