and record high temperatures expected across the northwest and mideast ahead of july 4th. that's what's happening. now back to "dateline." welcome back. living in a state of fear, answers raising more questions, what really happened in the garage? and what was diren dede doing there in the first place? to let america-- to learn more, needed to find out more about their foreign exchange student. here is josh mankiewicz with "deadly exchange." >> reporter: when he was killed in a neighbor's garage, exchange student diren dede was just two months away from returning to his family in germany. the man who shot him said he feared for his life. and from diren's best friend, robby, police learned the teen did enter the garage to steal.