Dozens of women in Greater Manchester have used Clare's Law to discover if they are at risk of domestic violence from a partner.
It was piloted 9 months ago after the murder of Clare Wood, in Salford, by her ex-boyfriend.
Clare's father, Michael Brown, tells ITV of his hopes to save others.
More top news
Frost and fog overnight into Monday. Turning milder this week
Cold start but turning milder this week.
Churches in parts of Manchester are urging people to bin their blades in the run up to Christmas.