The family of a man murdered after he started a relationship with the former partner of a "pathologically jealous" domestic abuser have said the young couple were "failed by the police".Marcus Osborne, 35, has been given a whole life order for murdering Katie Higton and her new boyfriend Steven Harnett in a "ferocious and merciless" knife attack.Osborne said "Romeo and Juliet can die together now" after the double killing which left Ms Higton, 27, with 99 injuries and Mr Harnett, 25, with 24 wou

The family of a man murdered after he started a relationship with the former partner of a "pathologically jealous" domestic abuser have said the young couple were "failed by the police".Marcus Osborne, 35, has been given a whole life order for murdering Katie Higton and her new boyfriend Steven Harnett in a "ferocious and merciless" knife attack.Osborne said "Romeo and Juliet can die together now" after the double killing which left Ms Higton, 27, with 99 injuries and Mr Harnett, 25, with 24 wounds including mutilated genitals.