Hovav Shacham's Mock Security Check (IMAGE) University of California - San Diego Caption Professor Hovav Shacham stands in front of the backscatter x-ray scanner as you would during a security check. Credit Photo: Erik Jepsen/UC San Diego Publications Usage Restrictions Please credit Erik Jepsen/UC San Diego Publications 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.