Contraband (IMAGE) University of Washington Caption Elephant tusks seized by authorities lie next to weapons used by poachers, including rocket-propelled grenades used against rangers who protect the elephants. Credit William Clark Usage Restrictions News use only. 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.