This week on Headline Highlights: in a shocking case, a man stabbed his girlfriend 258 times then took a selfie with their infant. Justice has finally been served for Sade Robinson’s family, as her killer is sentenced to life in prison for her brutal dismemberment. The Arkansas hikers case also sees a major development, with the suspect confessing to the crimes. And in Tennessee, a manhunt has ended with the arrest of the suspect accused of killing four people and abandoning a 7-month-old baby.