then terrible news. a student had been murdered. the girl on the floor had very black colored hair. she had lighter hair. who was it and where was alex. at that point, it was perhaps one dead and another missing. the killer could be roaming the campus. a mysterious tweet. what do you think it meant? i don t know. my son just called. and a terrible truth. i didn t know how? i didn t know who? i didn t know anything. i just know she was gone. welcome to dateline a college freshman found brutally beaten, so gruesome, they couldn t identify the victim but they could identify the suspect. he tells why he did it. here is andrea canning with after midnight. every year as summer fades into fall and lazy days at the beach come to an end, students flood back to college. the same scene year after year at campus after campus. every year, there s that new bunch, the freshman. i was nervous that first day. all those worries. all those questions. do i really
as the trees that reach for the sky. i think she s dead! it eats at me. i can t sleep most of the time. reporter: a crime like a storm everyone could see it coming. everybody in town has their suspicions. she was missing the matriarch with a grip on the family s powerful fortune. did someone have a powerful motive to do her harm? i saw bruises on bonnie s arms, like someone had grabbed her. she looked at him and said you tried to kill me. who was behind this? a search in the dark. right there, right there! a secret in the family. and a jailhouse interview to make your jaw drop! reporter: you said you wished she were dead. and then later, she became dead! i m lester holt, and this dateline is a twisted tale deep in the heart of texas. people who are desperate will do desperate things. in this country power and mon and struggle to get hands on both, the saga of a proud texas family never as cold hearted as some of the people you re about to mee
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