Moralized Tweets Indicate Escalation Toward Violence (IMAGE) University of Southern California Caption A new study by researchers at USC, Northwestern University and Rensselaer Polytechnic Institute analyzed tweets during Baltimore's Freddie Gray protests and found the intensity of moral rhetoric indicates when the protests are about to turn violent. Credit Nima Dehghani Usage Restrictions Please credit artist Nina Dehghani 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.