GTD (IMAGE) University of Maryland Caption "Car bombs have played a small but deadly role in US terrorism," says Maryland researcher Gary LaFree, based on figures in the Global Terrorism Database. Credit University of Maryland START Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.