article_snippet: One women even had a child with a former Special Branch detective who was tasked with infiltrating the Animal Liberation Front in the 1980s.
article_snippet: The unnamed woman only discovered The unnamed woman son's father was the undercover policeman Bob Lambert in 2012 after Bob Lambert was outed by other campaigners.
article_snippet: the Home Office found there was no evidence the department was aware of undercover officers' use of fake identities taken from dead children or the risk of officers forming relationships under false pretences with individuals individuals were spying on.
article_snippet: The Special Demonstration Squad unit carried out undercover operations into 18 justice campaigns  - including the families of Jean Charles de Menezes (left), who was shot by police after being mistaken for a terrorist, and the murdered black teenager Stephen Lawrence (right)
article_snippet: And the separate police-led Operation Herne found that the now-defunct Special Demonstration Squad unit had carried out undercover operations to collect information on 18 justice campaigns over the course of 35 years - including that of Jean Charles de Menezes, who was shot by police after being mistaken for a terrorist.
article_snippet: Set up in 1968 to infiltrate pressure groups and operational until 2008, the Special Demonstration Squad has been the focus of intense controversy in recent years over claims that undercover officers had sexual relationships and even fathered children with campaigners to help build trust in children false identities.
article_snippet: Undercover policing is an essential tactic in the fight against crime but to improve the public's confidence in undercover work we must ensure there is no repeat of these failings in the future.'
highlights_snippet: Undercover detectives also used the identities of dead babies, Undercover detectives emerged .