9news.com.au | Woman who killed fiance walks free Sky News Australia Marcela Castaneda, who killed her fiance, has walked free from court after a jury found the Sydney woman not guilty of manslaughter. Ms Castaneda, 33, fatally stabbed her abusive partner, Gregory Peck, in their western Sydney home on the evening of ... Woman who killed abusive fiance walks free Smoke billows at Eastern Creek factory fire Marcela Castaneda found not guilty of manslaughter of fiance Gregory Peck |