things, it was so random. >> police asked any who might have seen anything suspicious to come forward. they also interviewed all of susan's friends including her past romantic relationships. >> there had been a few people who had attempted to date her that she had denied. so they, of course, became part of a growing suspect pool. >> police also had to consider whether the perpetrator was a stranger. >> because of the location of the murder and its accessibility to a number of dormitories, they were looking at dormitory lists and who lived in the area.