Kerry Roberts slashed Ashley Arnold 's throat and chest in attack last year . After attack he returned to party where he said : ' I 've killed her , she 's dead ' Miss Arnold , 44 , staggered outside where neighbours phoned ambulance . A man has been jailed for life after stabbing a woman to death at his home in the early hours of this morning.
Kerry Roberts slashed Ashley Arnold 's throat and chest in attack last year . After attack he returned to party where he said : ' I 've killed her , she 's dead ' Miss Arnold , 44 , staggered outside where neighbours phoned ambulance . Roberts was sentenced to life in prison at Chelmsford Crown Court today .