2016. “Does gun control reduce violent crime?” Criminal Justice Review 41:488-513.
2014. “Evolutionary Behavioral Genetics of Violent Crime” Evolution of Violence.
2013. “Genetic Risk Factors Correlate with County-Level Violent Crime Rates and Collective Disadvantage” Journal of Criminal Justice.
2011. “The Severe 5%: A Latent Class Analysis of the Externalizing Spectrum in the United States” Journal of Criminal Justice.
2010. “Estimating the Effect of Gang Membership on Nonviolent and Violent Delinquency: A Counterfactual Analysis” Aggressive Behavior.
2010. “The Biochemistry of Violent Crime” Violent Crime: Clinical and Social Implications.
1978. “The Deadly World of Johnny Reb: Fact, Foible, or Fantasy?” Violent Crime: Historical and Contemporary Experiences.