It’s a thin line between spying and meddling. And it’s one that's only faintly drawn in the manual once given to new undercover police officers - written by a familiar name.
Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.
Read Cara’s notebook: www.telegraph.co.uk/bedoflies
Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor
Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan
Hosted on Acast. See acast.com/privacy for more information.