 We're getting you up to speed with the three big things you need to know every 15 minutes. Breaking overnight, we got word that murder suspect Celestine Mason has been found, has been arrested. Mason is the second suspect in the murder of Travis Watson in North Tulsa two weeks ago today. While you were sleeping, we were tracking violent thunderstorms across the heart of the Midwest. Tornado warnings sounded in Iowa, Illinois, and Indiana with a confirmed twister in Des Moines.