Officers from Greater Manchester Police have been working very closely with colleagues at Lancashire Police over the past few weeks to pull together the precise chronology of all previous investigations carried out into Sir Cyril Smith's alleged activities.
It has taken some time for the exact details to be confirmed due to the passage of time since the original allegations were made in the late 1960s.
The Force is now publicly acknowledging that young boys were victims of physical and sexual abuse committed by Smith.
Sir Cyril Smith was the Liberal Democrat MP for Rochdale. He died in 2010.
Rochdale council to trawl records of a former local authority school after another alleged victim of Sir Cyril Smith said he was abused.
Police tonight acknowledged for the first time that the late politician Cyril Smith sexually and physically abused young boys in the 1960s.