Undercover policeman reveals how he infiltrated UK’s violent activists

For
four years, Officer A lived a secret life among anti-racist activists
as they fought brutal battles with the police and the BNP. Here he
tells of the terrifying life he led, the psychological burden it placed
on him and his growing fears that the work of his unit could threaten
legitimate protest

An officer from a secretive unit of the Metropolitan police has given a chilling account
of how he spent years working undercover among anti-racist groups in
Britain, during which he routinely engaged in violence against members
of the public and uniformed police officers to maintain his cover (more on guardian.co.uk).