He headed the Stalker Inquiry that investigated the shooting of suspected members of the Provisional Irish Republican Army in 1982.
He also spent a short period of time as a consultant to Millwall F.C., advising on methods to curb their well-documented problem with hooliganism.
He was the subject of a British Parliamentary debate held on 27 November 1986, where the following allegations which led to his suspension were given:"The reasons put forward for Mr Stalker being taken off the inquiry essentially related to four matters.
It was also suggested that Kevin Taylor, through his solicitor, had threatened that if he was charged with offences he would, I think it was said, blow Stalker and his associates out........it contains innuendo of the most unpleasant sort, which is unfitting for such a report.
At one stage, it talks about an anonymous allegation that the police dropped a criminal action against a person whom Mr Stalker knew.
"Tony Lloyd MP[4]The Sampson report made the recommendation to the Greater Manchester Police Committee that Stalker should be the subject of a tribunal.
[6] Following an incident in which Stalker had to fend off two rottweilers attacking his wife, Stella, in June 2006, he publicly supported an overhaul of the Dangerous Dogs Act 1991.
[11] Stalker gave the peroration at the funeral of the footballer Len Carney who had been his headmaster at Chadderton Grammar School.