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.
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Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."
Business Secretary Greg Clark said talks with Peugeot's boss over a potential Vauxhall takeover were both "constructive and reassuring".
He served in Margaret Thatcher's Cabinet as Home Secretary in 1989 and was also a former Governor of Bermuda.