Dozens of women have come forward to ask for information about potentially violent partners.
Almost a hundred men have already been checked under Clare's Law, which is being trialled in Greater Manchester. In more than half of those cases, the men were found to be a potential risk.
It follows a campaign by the family of Clare Wood, who was murdered by a man who had a history of violence towards women.
Our Correspondent Ashley Derricott reports.
More top news
A couple and two children, including a baby, have been found dead with stab wounds in an apparent murder suicide in Gibraltar.
Very windy with gales. Rain clearing to showers. Gusts 60+mph for coasts & hills. Quieter midweek. Cloudy but dry Thursday. Wet spell Friday
A man from Manchester is in a critical condition after an accident on London Underground in which another man died.