Sex offender murdered ex-wife and told daughter, 5, it was a nightmare before killing himself

James Cox (right) murdered his ex-wife Massiel Deoleo and told their five-year-old daughter it was a nightmare (Pictures: Yesenia Torres/New Jersey State Police)A sex offender murdered his ex-wife and told their five-year-old daughter it was only a nightmare, then shot and killed himself, according to authorities. James Cox, 43, committed the murder-suicide amid a standoff with police shortly after lying to their daughter.‘Daddy killed mommy’, the little girl told her grandparents on