<p>GRAND FORKS, N.D. — The arrest of a convicted rapist in the disappearance of a college student produced no immediate breakthrough in the search for the young woman Tuesday, but the police chief vowed: "Dru, we will find you."</p>
<p>Alfonso Rodriguez Jr. (search), 50, was arrested Monday night in nearby Crookston, Minn., and charged with kidnapping University of North Dakota student Dru Sjodin (search), 22. Sjodin has been missing since Nov. 22, when she left her job at the Victoria's Secret at a mall in Grand Forks (search).</p>