she didn t answer the phone. she was scared. then terrible news. a student had been murdered. a young woman, but apparently it wasn t alum. 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. we are really scared. a mysterious tweet. what do you think it meant? i don t know. a terrifying phone call. 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. hello and welcome to dateline. a college freshman found brutally beaten, so gruesome, they couldn t identify the victim, but identifying the killer wasn t nearly as hard. he admitted what he did, turning himself into police within hours. it was why he said he did it, it would become the foundation for his defense. here is andrea canning with after midnight. every yea
It wasn t until the spring of 2014, almost two years after alex kogut died that clayton whittemore went on trial. although he told the cops he had beaten his girlfriend to death, he entered a plea of not guilty. prosecutors had a powerful case against him and they knew it. the gruesome images, even his words. reporter: he was a ticking time bomb, prosecutors argued a killer years in the making. how does this young man go from star athlete, popular, college student to what some would call a monster? you know, our theory that