'I gave my heart to a fictional character', says woman deceived by undercover policeman
The Metropolitan Police has issued an "unreserved apology" to seven women who had long-term sexual relationships with undercover police officers, without knowing who they really were.
Speaking to the BBC's June Kelly, 'Alison', who had a relationship with a man she knew as Mark Cassidy, and 'Lisa', who had a relationship with a man known as Mark Stone, described how they first got to know the men.