. >> that was kevin mangle for a time, clearing his head he told his family and friends. facebook status, wants to be alone. >> maybe he just had enough and needed a vacation for himself. >> but there was a trail of electronic messages that seemed to tell another story, a far more sinister one. >> we were all floored when it was all there for us to read. you can't make this stuff up. >> which was fact? and which was fiction? >> these tex messages don't even seem real. they don't seem real. >> long before kevin mangle had a facebook page or a cell phone he had a cute little sister to worry about. >> he was the stereotypical little brother. he would follow me around and tell his friends they weren't allowed to talk to me. >> was he being protective? >> very protective. >> for as long as michelle can remember, kevin was a family man, a big brother who felt like he needed to look after their younger siblings after their parents divorced. >> kevin had a tache time with it. and told us he would never get a divorce. >> instead, kevin grew up in search of perfect romance. >> kevi