1. Department of Criminology and Sociology, Cleveland State University, Cleveland, Ohio, USA
2. Independent Researcher, Cleveland, Ohio, USA
3. Department of Population and Quantitative Health Sciences, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
4. Begun Center for Violence Prevention Research and Education, Case Western Reserve University, Cleveland, Ohio, USA
5. Behavioral Analysis Unit, Federal Bureau of Investigation, Quantico, Virginia, USA