news anchor dana winklepleck.t time was convinced that someone in that fraternity had killed her daughter. she has an email from this fraternity that says, write the story, you will die. andrea canning (voiceover): brook had shown the email to professor moen, too. it was basically, you don't know what you're getting into here. leave us alone. mind your own business. did that deter her? no. andrea canning (voiceover): detectives say they took the matter seriously and investigated the fraternity allegations. i obtained some emails that were sent from a couple of the fraternity members to brook and actually interviewed them and collected their dna. andrea canning (voiceover): once again, none of the samples matched suspect 137f, and the prosecuting attorney determined there wasn't a case for the alleged rape involving the fraternity either. a year passed, then nearly two. the investigation was losing steam. i think people definitely had reached a point where they thought, this won't be solved. andrea canning (voiceov