As part of the Terrorism and Extremist Violence in the United States (TEVUS) database integration effort, researchers at the Terrorism Research Center in Fulbright College at the University of Arkansas and University of Oklahoma have been adding: 1) federal terrorism court cases and associated data and 2) incident and precursor geospatial data from these court cases to the American Terrorism Study (ATS) in order to examine geospatial patterns in terrorist behavior and determine if the patterns identified in earlier studies have changed significantly.