Undercover officer spied on leftwing group, which in turn asked him to spy on National Front
An undercover police officer led a triple life infiltrating a socialist group and a fascist group at the same time, according to documents disclosed to a public inquiry.
The spy, who adopted the fake name Peter Collins, was sent by his Scotland Yard bosses to infiltrate a leftwing group, the Workers Revolutionary Party (WRP), for three years, the inquiry heard.