 After the detectives explain to the college's Dean that there were no witnesses or suspects, the Dean asks the rather sinister Professor Brown, who teaches anatomy, to show the detectives around.Outside, the groundskeeper, Willard, is seen trimming a hedge with a chainsaw, similar to the one used in the killing.In the campus' library, a student named Kendall receives a note given by a girl to come to the pool later; the killer finds it and tracks down the girl at the swimming pool, where she is brutally sawed with the chainsaw.