PresentationsNational Trends in Youth Crime: 1980-2010 Butts, Jeffrey (2012). National Trends in Youth Crime. Presented to the Seventh Annual Harry Frank Guggenheim Symposium on Crime in America, February 6, 2012. John Jay College of Criminal Justice, New York, NY. Share Click to share on LinkedIn (Opens in new window) LinkedIn Click to email a link to a friend (Opens in new window) Email