Matt DeLisi, Iowa State University (IMAGE) Iowa State University Caption Matt DeLisi, an Iowa State University associate professor of sociology and director of the criminal justice program, led a team of five Iowa State graduate students on the study of 654 convicted murderers calculating the cost to society of the five most serious crimes. Credit Photo by Bob Elbert, Iowa State University News Service 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.