direction. >> they kept talking about it being a crime of passion because it was very brutal. they had a few suspects here and there. some were in my class. the police told me that. "you just have to go on teaching as if, but if you find anything out, you need to let us know." >> life on campus felt unsafe. >> we all felt that we really needed clearly to know who did this and that we would know immediately. >> but time passed, and answers were scarce. they could find no one with a motive to kill robbin. >> there were times where i'd walk into my radio class and the detectives would be sitting in the back of the room, trying to be inconspicuous. >> they were interviewing family, friends, acquaintances. they would do patrols around the college. they were looking for any other