This Guardian article
talks about how two very different women and teachers, Giovanni and Roy, behaved towards Cho, although the latter seems like much more capable in her capacity to reach out to someone mentally ill. I got the impression that Giovanni is really clueless about dealing with students with serious problems, but this is based only on the information provided in the article (plus all the observation of other faculty in other settings over the years). With each new article popping up in the news, one thing is clear though, what Cho needed was comprehensive professional help - and it was not available.
BLACKSBURG, Va. (AP) -
In September 2005, Cho was enrolled in Giovanni's introduction to creative writing class. From the beginning, he began building a wall between himself and the rest of the class. [evidence of serious psychological problems - that need help, not negligence]
He wore sunglasses to class and pulled his maroon cap down low over his forehead. When she tried to get him to participate in class discussion, his answer was silence.