GRAND FORKS, ND - DECEMBER 4:  Students walk to class on the campus of the University of North Dakota December 4, 2003 in Grand Forks, North Dakota.  UND student Dru Sjodin  was last seen leaving her job at a mall on November 22, 2003. Convicted Sex offender Alfonso Rodriguez of Crookston, Minnesota is being held in connection with the disappearance. Crookston is about 25 miles east of Grand Forks. (Photo by Scott Olson/Getty Images)