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. Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)