A police spy using the fake identity of a dead boy was confronted by suspicious leftwing activists and then disappeared

Public inquiry led by Sir John Mitting is examining use of undercover police officers going back as far as 1968

Undercover officers are alleged to have monitored the Labour MP for two decades

Roger Pearce is the latest undercover officer to be confirmed by a public inquiry but police had given away a big clue about his identity

A Metropolitan police undercover unit spied on strikers and their supporters during the well-known Grunwick dispute

A court has heard that a police investigation into a claim that an undercover officer planted an incendiary device in Debenhams could be completed by July

A public inquiry - led by Lord Justice Pitchford - has confirmed the identities of two more undercover officers who spied on political groups.

Senior judge leading inquiry says undercover police may have stolen identities of up to 100 dead children to create fake identities

Lisa Jones, a woman deceived by an undercover officer, actor Ricky Tomlinson, and Duwayne Brooks, who witnessed the Stephen Lawrence murder, will address a public meeting about police spies

Official documents describe rift between Scotland Yard and some of the undercover police officers who were once deployed to spy on political groups

The government has come under fire for restricting the scope of the public inquiry into the undercover policing

Undercover officers embedded in political groups vanish through a variety of tricks including mental breakdowns, trips abroad and letters

A police undercover unit obtained intelligence on the tactics of the strikers and their supporters in the seminal Grunwick dispute

Individuals who were spied on by the police are to discuss how to make a public inquiry broader and more rigorous

Speech by campaigner Helen Steel at the inquiry greeted with spontaneous round of applause as she argued for maximum openness

Peter Francis challenges argument that identities of officers should not be made public at undercover policing inquiry

Police want to keep secret the work of its undercover spies but a leaked letter shows how they keenly supported a television programme revealing details of the covert operations

A senior judge is to look at allegations that police spied on politicians, including Diane Abbott and Ken Livingstone, after they had been elected to parliament

133 individuals who were monitored by undercover police are pressing for the publication of the fake names of the spies and the groups they infiltrated

The new drama explores how undercover policemen were sent to spy on political groups and deceived women into forming intimate relationships