In this episode of “True Crime News,” A summer outing with friends turned deadly when a man approached the group asking if they saw a cellphone. The man took out a knife and started stabbing several teens, killing 17-year-old Isaac Schuman and injuring others. The suspect, Nic Miu, claimed self-defense, but the jury disagreed. Plus, Kara Nichols vanished after meeting up with a man from an escort site, and her family quickly reported her missing. What happened to Kara?