How Immune Cells Activate the Killer Mode (IMAGE) University of Freiburg Caption From left: Susana Minguet, Wolfgang Schamel, Frederike Hartl. Credit Photo: Laurenz Herr, Anja Schwäble 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.