His research interests are in criminology, law and society, criminal punishment, and intergroup conflict, with secondary lines of work focusing on the life course and anti-Semitism. Current research projects investigate the causes of hate crime, the effects of parental incarceration on child wellbeing, the criminal sentencing and deportation of non-citizens, the relationship between hate crime and terrorism, and the association between skin hue and criminal sentencing. Read articles by Ryan D. King.